22966890 has 32 divisors (see below), whose sum is σ = 55256256. Its totient is φ = 6109440.

The previous prime is 22966883. The next prime is 22966913. The reversal of 22966890 is 9866922.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17145 + ... + 18435.

It is an arithmetic number, because the mean of its divisors is an integer number (1726758).

Almost surely, 2^22966890 is an apocalyptic number.

22966890 is an abundant number, since it is smaller than the sum of its proper divisors (32289366).

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

22966890 is a wasteful number, since it uses less digits than its factorization.

22966890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 22966890 is about 4792.3783239640. The cubic root of 22966890 is about 284.2501680500.

The spelling of 22966890 in words is "twenty-two million, nine hundred sixty-six thousand, eight hundred ninety".