22497315 has 32 divisors (see below), whose sum is σ = 37267776. Its totient is φ = 11581440.

The previous prime is 22497313. The next prime is 22497323. The reversal of 22497315 is 51379422.

It is not a de Polignac number, because 22497315 - 2¹ = 22497313 is a prime.

It is a super-2 number, since 2×22497315² = 1012258364418450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22497313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96439 + ... + 96671.

It is an arithmetic number, because the mean of its divisors is an integer number (1164618).

Almost surely, 2^22497315 is an apocalyptic number.

22497315 is a deficient number, since it is larger than the sum of its proper divisors (14770461).

22497315 is a wasteful number, since it uses less digits than its factorization.

22497315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439.

The product of its digits is 15120, while the sum is 33.

The square root of 22497315 is about 4743.1334579579. The cubic root of 22497315 is about 282.2995785210.

The spelling of 22497315 in words is "twenty-two million, four hundred ninety-seven thousand, three hundred fifteen".