22501569740 has 24 divisors (see below), whose sum is σ = 50888166000. Its totient is φ = 8308271808.

The previous prime is 22501569619. The next prime is 22501569743. The reversal of 22501569740 is 4796510522.

It is not an unprimeable number, because it can be changed into a prime (22501569743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43271990 + ... + 43272509.

It is an arithmetic number, because the mean of its divisors is an integer number (2120340250).

Almost surely, 2^22501569740 is an apocalyptic number.

22501569740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22501569740 is an abundant number, since it is smaller than the sum of its proper divisors (28386596260).

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

22501569740 is a wasteful number, since it uses less digits than its factorization.

22501569740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86544521 (or 86544519 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 22501569740 in words is "twenty-two billion, five hundred one million, five hundred sixty-nine thousand, seven hundred forty".