22961415 has 16 divisors (see below), whose sum is σ = 36799488. Its totient is φ = 12225696.

The previous prime is 22961413. The next prime is 22961453. The reversal of 22961415 is 51416922.

It is not a de Polignac number, because 22961415 - 2¹ = 22961413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22961413) 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, 13714 + ... + 15296.

It is an arithmetic number, because the mean of its divisors is an integer number (2299968).

Almost surely, 2^22961415 is an apocalyptic number.

22961415 is a deficient number, since it is larger than the sum of its proper divisors (13838073).

22961415 is a wasteful number, since it uses less digits than its factorization.

22961415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558.

The product of its digits is 4320, while the sum is 30.

The square root of 22961415 is about 4791.8070704067. The cubic root of 22961415 is about 284.2275791064.

The spelling of 22961415 in words is "twenty-two million, nine hundred sixty-one thousand, four hundred fifteen".