22908836 has 6 divisors (see below), whose sum is σ = 40090470. Its totient is φ = 11454416.

The previous prime is 22908799. The next prime is 22908839. The reversal of 22908836 is 63880922.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22278400 + 630436 = 4720^2 + 794^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22908836.

It is not an unprimeable number, because it can be changed into a prime (22908839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2863601 + ... + 2863608.

It is an arithmetic number, because the mean of its divisors is an integer number (6681745).

Almost surely, 2^22908836 is an apocalyptic number.

It is an amenable number.

22908836 is a deficient number, since it is larger than the sum of its proper divisors (17181634).

22908836 is a wasteful number, since it uses less digits than its factorization.

22908836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5727213 (or 5727211 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 22908836 is about 4786.3175824427. The cubic root of 22908836 is about 284.0104638081.

The spelling of 22908836 in words is "twenty-two million, nine hundred eight thousand, eight hundred thirty-six".