22298656 has 12 divisors (see below), whose sum is σ = 43900542. Its totient is φ = 11149312.

The previous prime is 22298603. The next prime is 22298669. The reversal of 22298656 is 65689222.

It can be written as a sum of positive squares in only one way, i.e., 20394256 + 1904400 = 4516^2 + 1380^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348385 + ... + 348448.

Almost surely, 2^22298656 is an apocalyptic number.

It is an amenable number.

22298656 is a deficient number, since it is larger than the sum of its proper divisors (21601886).

22298656 is an equidigital number, since it uses as much as digits as its factorization.

22298656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696843 (or 696835 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 22298656 is about 4722.1452751901. The cubic root of 22298656 is about 281.4661866386.

The spelling of 22298656 in words is "twenty-two million, two hundred ninety-eight thousand, six hundred fifty-six".