22313992 has 16 divisors (see below), whose sum is σ = 43281900. Its totient is φ = 10772160.

The previous prime is 22313987. The next prime is 22314011. The reversal of 22313992 is 29931322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19307236 + 3006756 = 4394^2 + 1734^2 .

It is a super-3 number, since 3×22313992³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47859 + ... + 48322.

Almost surely, 2^22313992 is an apocalyptic number.

It is an amenable number.

22313992 is a deficient number, since it is larger than the sum of its proper divisors (20967908).

22313992 is a wasteful number, since it uses less digits than its factorization.

22313992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96216 (or 96212 counting only the distinct ones).

The product of its digits is 5832, while the sum is 31.

The square root of 22313992 is about 4723.7688343102. The cubic root of 22313992 is about 281.5306983927.

The spelling of 22313992 in words is "twenty-two million, three hundred thirteen thousand, nine hundred ninety-two".