22890236 has 12 divisors (see below), whose sum is σ = 40455240. Its totient is φ = 11331600.

The previous prime is 22890181. The next prime is 22890277. The reversal of 22890236 is 63209822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27926 + ... + 28733.

It is an arithmetic number, because the mean of its divisors is an integer number (3371270).

Almost surely, 2^22890236 is an apocalyptic number.

It is an amenable number.

22890236 is a deficient number, since it is larger than the sum of its proper divisors (17565004).

22890236 is a wasteful number, since it uses less digits than its factorization.

22890236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56764 (or 56762 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 22890236 is about 4784.3741492488. The cubic root of 22890236 is about 283.9335789918.

The spelling of 22890236 in words is "twenty-two million, eight hundred ninety thousand, two hundred thirty-six".