22522015315 has 4 divisors (see below), whose sum is σ = 27026418384. Its totient is φ = 18017612248.

The previous prime is 22522015291. The next prime is 22522015349. The reversal of 22522015315 is 51351022522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22522015315 - 2⁵ = 22522015283 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2252201527 + ... + 2252201536.

It is an arithmetic number, because the mean of its divisors is an integer number (6756604596).

Almost surely, 2^22522015315 is an apocalyptic number.

22522015315 is a deficient number, since it is larger than the sum of its proper divisors (4504403069).

22522015315 is an equidigital number, since it uses as much as digits as its factorization.

22522015315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504403068.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 22522015315 its reverse (51351022522), we get a palindrome (73873037837).

The spelling of 22522015315 in words is "twenty-two billion, five hundred twenty-two million, fifteen thousand, three hundred fifteen".