22915016 has 16 divisors (see below), whose sum is σ = 43670940. Its totient is φ = 11269440.

The previous prime is 22914971. The next prime is 22915019. The reversal of 22915016 is 61051922.

It can be written as a sum of positive squares in 2 ways, for example, as 19096900 + 3818116 = 4370^2 + 1954^2 .

It is not an unprimeable number, because it can be changed into a prime (22915019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22991 + ... + 23966.

Almost surely, 2^22915016 is an apocalyptic number.

It is an amenable number.

22915016 is a deficient number, since it is larger than the sum of its proper divisors (20755924).

22915016 is a wasteful number, since it uses less digits than its factorization.

22915016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47024 (or 47020 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 22915016 is about 4786.9631291665. The cubic root of 22915016 is about 284.0360001973.

Adding to 22915016 its reverse (61051922), we get a palindrome (83966938).

The spelling of 22915016 in words is "twenty-two million, nine hundred fifteen thousand, sixteen".