22515887073 has 16 divisors (see below), whose sum is σ = 30090009600. Its totient is φ = 14976211536.

The previous prime is 22515887029. The next prime is 22515887087. The reversal of 22515887073 is 37078851522.

It is not a de Polignac number, because 22515887073 - 2¹⁰ = 22515886049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22515887573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4071036 + ... + 4076562.

It is an arithmetic number, because the mean of its divisors is an integer number (1880625600).

Almost surely, 2^22515887073 is an apocalyptic number.

It is an amenable number.

22515887073 is a deficient number, since it is larger than the sum of its proper divisors (7574122527).

22515887073 is a wasteful number, since it uses less digits than its factorization.

22515887073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8396.

The product of its (nonzero) digits is 940800, while the sum is 48.

The spelling of 22515887073 in words is "twenty-two billion, five hundred fifteen million, eight hundred eighty-seven thousand, seventy-three".