22890970 has 16 divisors (see below), whose sum is σ = 41414400. Its totient is φ = 9109584.

The previous prime is 22890913. The next prime is 22890971. The reversal of 22890970 is 7909822.

It is not an unprimeable number, because it can be changed into a prime (22890971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3762 + ... + 7741.

It is an arithmetic number, because the mean of its divisors is an integer number (2588400).

Almost surely, 2^22890970 is an apocalyptic number.

22890970 is a deficient number, since it is larger than the sum of its proper divisors (18523430).

22890970 is a wasteful number, since it uses less digits than its factorization.

22890970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11709.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 22890970 is about 4784.4508566815. The cubic root of 22890970 is about 283.9366138377.

The spelling of 22890970 in words is "twenty-two million, eight hundred ninety thousand, nine hundred seventy".