22507958242 has 64 divisors (see below), whose sum is σ = 43097598720. Its totient is φ = 8562124800.

The previous prime is 22507958237. The next prime is 22507958281. The reversal of 22507958242 is 24285970522.

It is a junction number, because it is equal to n+sod(n) for n = 22507958192 and 22507958201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1278234 + ... + 1295722.

It is an arithmetic number, because the mean of its divisors is an integer number (673399980).

Almost surely, 2^22507958242 is an apocalyptic number.

22507958242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22507958242 is a deficient number, since it is larger than the sum of its proper divisors (20589640478).

22507958242 is a wasteful number, since it uses less digits than its factorization.

22507958242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17707.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 22507958242 in words is "twenty-two billion, five hundred seven million, nine hundred fifty-eight thousand, two hundred forty-two".