22515515004 has 48 divisors (see below), whose sum is σ = 53849359872. Its totient is φ = 7318171392.

The previous prime is 22515514963. The next prime is 22515515053. The reversal of 22515515004 is 40051551522.

It is a congruent number.

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, 269197 + ... + 342779.

It is an arithmetic number, because the mean of its divisors is an integer number (1121861664).

Almost surely, 2^22515515004 is an apocalyptic number.

It is an amenable number.

22515515004 is an abundant number, since it is smaller than the sum of its proper divisors (31333844868).

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

22515515004 is a wasteful number, since it uses less digits than its factorization.

22515515004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74226 (or 74224 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 22515515004 in words is "twenty-two billion, five hundred fifteen million, five hundred fifteen thousand, four".