22908894 has 32 divisors (see below), whose sum is σ = 49144320. Its totient is φ = 7093632.

The previous prime is 22908871. The next prime is 22908901. The reversal of 22908894 is 49880922.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6637 + ... + 9479.

It is an arithmetic number, because the mean of its divisors is an integer number (1535760).

Almost surely, 2^22908894 is an apocalyptic number.

22908894 is an abundant number, since it is smaller than the sum of its proper divisors (26235426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22908894 is a wasteful number, since it uses less digits than its factorization.

22908894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 22908894 is about 4786.3236413765. The cubic root of 22908894 is about 284.0107034913.

The spelling of 22908894 in words is "twenty-two million, nine hundred eight thousand, eight hundred ninety-four".