22456712 has 8 divisors (see below), whose sum is σ = 42106350. Its totient is φ = 11228352.

The previous prime is 22456697. The next prime is 22456751. The reversal of 22456712 is 21765422.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16532356 + 5924356 = 4066^2 + 2434^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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, 1403537 + ... + 1403552.

Almost surely, 2^22456712 is an apocalyptic number.

It is an amenable number.

22456712 is a deficient number, since it is larger than the sum of its proper divisors (19649638).

22456712 is a wasteful number, since it uses less digits than its factorization.

22456712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807095 (or 2807091 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 22456712 is about 4738.8513376134. The cubic root of 22456712 is about 282.1296454668.

The spelling of 22456712 in words is "twenty-two million, four hundred fifty-six thousand, seven hundred twelve".