22690468 has 12 divisors (see below), whose sum is σ = 39972352. Its totient is φ = 11269800.

The previous prime is 22690463. The next prime is 22690471. The reversal of 22690468 is 86409622.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22690463) 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, 18180 + ... + 19387.

Almost surely, 2^22690468 is an apocalyptic number.

It is an amenable number.

22690468 is a deficient number, since it is larger than the sum of its proper divisors (17281884).

22690468 is a wasteful number, since it uses less digits than its factorization.

22690468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37722 (or 37720 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 22690468 is about 4763.4512698253. The cubic root of 22690468 is about 283.1051813451.

The spelling of 22690468 in words is "twenty-two million, six hundred ninety thousand, four hundred sixty-eight".