22297456 has 20 divisors (see below), whose sum is σ = 43349904. Its totient is φ = 11110400.

The previous prime is 22297447. The next prime is 22297459. The reversal of 22297456 is 65479222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22297459) 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, 2736 + ... + 7216.

Almost surely, 2^22297456 is an apocalyptic number.

It is an amenable number.

22297456 is a deficient number, since it is larger than the sum of its proper divisors (21052448).

22297456 is a wasteful number, since it uses less digits than its factorization.

22297456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4800 (or 4794 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 22297456 is about 4722.0182125866. The cubic root of 22297456 is about 281.4611375229.

The spelling of 22297456 in words is "twenty-two million, two hundred ninety-seven thousand, four hundred fifty-six".