22817093640 has 64 divisors (see below), whose sum is σ = 74674128960. Its totient is φ = 5531416320.

The previous prime is 22817093623. The next prime is 22817093687. The reversal of 22817093640 is 4639071822.

It is a junction number, because it is equal to n+sod(n) for n = 22817093592 and 22817093601.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8641519 + ... + 8644158.

It is an arithmetic number, because the mean of its divisors is an integer number (1166783265).

Almost surely, 2^22817093640 is an apocalyptic number.

22817093640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22817093640 is an abundant number, since it is smaller than the sum of its proper divisors (51857035320).

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

22817093640 is a wasteful number, since it uses less digits than its factorization.

22817093640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17285702 (or 17285698 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 22817093640 in words is "twenty-two billion, eight hundred seventeen million, ninety-three thousand, six hundred forty".