λ
Ratio Atlas

7,220,428

22 × 41 × 44027
Deficient Even Composite

7,220,428 factors as 2^2 × 41 × 44027. Its 12 positive divisors give a proper-divisor sum of 5,723,804, so this integer is deficient. The Collatz stopping time is 142 steps.

Prime Factor Structure

Factorization String 2^2 × 41 × 44027
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 12,944,232
Proper Divisor Sum 5,723,804
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #7220417 ← → #7220441

Radix Representation

Decimal 7220428
Binary 11011100010110011001100 (23 bits)
Octal 0o33426314
Hexadecimal 0x6E2CCC

Divisor Catalog (12)

Collatz Trajectory (142 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

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