22064456 has 16 divisors (see below), whose sum is σ = 41528700. Its totient is φ = 10990144.

The previous prime is 22064423. The next prime is 22064459. The reversal of 22064456 is 65446022.

It can be written as a sum of positive squares in 2 ways, for example, as 17355556 + 4708900 = 4166^2 + 2170^2 .

It is not an unprimeable number, because it can be changed into a prime (22064459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2975 + ... + 7278.

Almost surely, 2^22064456 is an apocalyptic number.

It is an amenable number.

22064456 is a deficient number, since it is larger than the sum of its proper divisors (19464244).

22064456 is a wasteful number, since it uses less digits than its factorization.

22064456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10528 (or 10524 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 22064456 is about 4697.2817671500. The cubic root of 22064456 is about 280.4773151118.

The spelling of 22064456 in words is "twenty-two million, sixty-four thousand, four hundred fifty-six".