22631956 has 6 divisors (see below), whose sum is σ = 39605930. Its totient is φ = 11315976.

The previous prime is 22631941. The next prime is 22631969. The reversal of 22631956 is 65913622.

It can be written as a sum of positive squares in only one way, i.e., 13571856 + 9060100 = 3684^2 + 3010^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2828991 + ... + 2828998.

Almost surely, 2^22631956 is an apocalyptic number.

It is an amenable number.

22631956 is a deficient number, since it is larger than the sum of its proper divisors (16973974).

22631956 is a wasteful number, since it uses less digits than its factorization.

22631956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5657993 (or 5657991 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 22631956 is about 4757.3055399039. The cubic root of 22631956 is about 282.8616237186.

The spelling of 22631956 in words is "twenty-two million, six hundred thirty-one thousand, nine hundred fifty-six".