22970990 has 32 divisors (see below), whose sum is σ = 47494080. Its totient is φ = 7835904.

The previous prime is 22970977. The next prime is 22970993. The reversal of 22970990 is 9907922.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22970993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15314 + ... + 16746.

It is an arithmetic number, because the mean of its divisors is an integer number (1484190).

Almost surely, 2^22970990 is an apocalyptic number.

22970990 is an abundant number, since it is smaller than the sum of its proper divisors (24523090).

22970990 is a wasteful number, since it uses less digits than its factorization.

22970990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 22970990 is about 4792.8060674306. The cubic root of 22970990 is about 284.2670816206.

The spelling of 22970990 in words is "twenty-two million, nine hundred seventy thousand, nine hundred ninety".