22515425504 has 48 divisors (see below), whose sum is σ = 52076772720. Its totient is φ = 9447029760.

The previous prime is 22515425503. The next prime is 22515425539. The reversal of 22515425504 is 40552451522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22515425503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2455589 + ... + 2464740.

It is an arithmetic number, because the mean of its divisors is an integer number (1084932765).

Almost surely, 2^22515425504 is an apocalyptic number.

It is an amenable number.

22515425504 is an abundant number, since it is smaller than the sum of its proper divisors (29561347216).

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

22515425504 is a wasteful number, since it uses less digits than its factorization.

22515425504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4920363 (or 4920355 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 22515425504 in words is "twenty-two billion, five hundred fifteen million, four hundred twenty-five thousand, five hundred four".