22716990 has 32 divisors (see below), whose sum is σ = 60579360. Its totient is φ = 6057792.

The previous prime is 22716977. The next prime is 22716997. The reversal of 22716990 is 9961722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22716997) 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, 41799 + ... + 42338.

It is an arithmetic number, because the mean of its divisors is an integer number (1893105).

Almost surely, 2^22716990 is an apocalyptic number.

22716990 is an abundant number, since it is smaller than the sum of its proper divisors (37862370).

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

22716990 is a wasteful number, since it uses less digits than its factorization.

22716990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84153 (or 84147 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 22716990 is about 4766.2343626809. The cubic root of 22716990 is about 283.2154419187.

It can be divided in two parts, 2271 and 6990, that added together give a cube (9261 = 21³).

The spelling of 22716990 in words is "twenty-two million, seven hundred sixteen thousand, nine hundred ninety".