22515010222494 has 32 divisors (see below), whose sum is σ = 47486676170880. Its totient is φ = 7097005030752.

The previous prime is 22515010222487. The next prime is 22515010222501. The reversal of 22515010222494 is 49422201051522.

It is an interprime number because it is at equal distance from previous prime (22515010222487) and next prime (22515010222501).

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, 180467889 + ... + 180592604.

It is an arithmetic number, because the mean of its divisors is an integer number (1483958630340).

Almost surely, 2^{22515010222494} is an apocalyptic number.

22515010222494 is an abundant number, since it is smaller than the sum of its proper divisors (24971665948386).

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

22515010222494 is a wasteful number, since it uses less digits than its factorization.

22515010222494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361061064.

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 22515010222494 in words is "twenty-two trillion, five hundred fifteen billion, ten million, two hundred twenty-two thousand, four hundred ninety-four".