22915450 has 12 divisors (see below), whose sum is σ = 42622830. Its totient is φ = 9166160.

The previous prime is 22915427. The next prime is 22915457. The reversal of 22915450 is 5451922.

It can be written as a sum of positive squares in 3 ways, for example, as 21095649 + 1819801 = 4593^2 + 1349^2 .

It is not an unprimeable number, because it can be changed into a prime (22915457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 229105 + ... + 229204.

Almost surely, 2^22915450 is an apocalyptic number.

22915450 is a deficient number, since it is larger than the sum of its proper divisors (19707380).

22915450 is a wasteful number, since it uses less digits than its factorization.

22915450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458321 (or 458316 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 22915450 is about 4787.0084604061. The cubic root of 22915450 is about 284.0377933570.

The spelling of 22915450 in words is "twenty-two million, nine hundred fifteen thousand, four hundred fifty".