22254656 has 14 divisors (see below), whose sum is σ = 44161710. Its totient is φ = 11127296.

The previous prime is 22254619. The next prime is 22254667. The reversal of 22254656 is 65645222.

It can be written as a sum of positive squares in only one way, i.e., 18318400 + 3936256 = 4280^2 + 1984^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173801 + ... + 173928.

Almost surely, 2^22254656 is an apocalyptic number.

It is an amenable number.

22254656 is a deficient number, since it is larger than the sum of its proper divisors (21907054).

22254656 is an equidigital number, since it uses as much as digits as its factorization.

22254656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347741 (or 347731 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 22254656 is about 4717.4840752248. The cubic root of 22254656 is about 281.2809338157.

Adding to 22254656 its reverse (65645222), we get a palindrome (87899878).

The spelling of 22254656 in words is "twenty-two million, two hundred fifty-four thousand, six hundred fifty-six".