22596687428 has 12 divisors (see below), whose sum is σ = 45193374912. Its totient is φ = 9684294600.

The previous prime is 22596687391. The next prime is 22596687457. The reversal of 22596687428 is 82478669522.

It is a happy number.

22596687428 is an admirable number.

It is a super-2 number, since 2×22596687428² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403512248 + ... + 403512303.

It is an arithmetic number, because the mean of its divisors is an integer number (3766114576).

Almost surely, 2^22596687428 is an apocalyptic number.

22596687428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22596687428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22596687428 is a wasteful number, since it uses less digits than its factorization.

22596687428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807024562 (or 807024560 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 59.

The spelling of 22596687428 in words is "twenty-two billion, five hundred ninety-six million, six hundred eighty-seven thousand, four hundred twenty-eight".