22507958240 has 48 divisors (see below), whose sum is σ = 55487019168. Its totient is φ = 8611739136.

The previous prime is 22507958237. The next prime is 22507958281. The reversal of 22507958240 is 4285970522.

It is a junction number, because it is equal to n+sod(n) for n = 22507958191 and 22507958200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3054467 + ... + 3061826.

It is an arithmetic number, because the mean of its divisors is an integer number (1155979566).

Almost surely, 2^22507958240 is an apocalyptic number.

22507958240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22507958240 is an abundant number, since it is smaller than the sum of its proper divisors (32979060928).

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

22507958240 is a wasteful number, since it uses less digits than its factorization.

22507958240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6116331 (or 6116323 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 22507958240 in words is "twenty-two billion, five hundred seven million, nine hundred fifty-eight thousand, two hundred forty".