22266256 has 10 divisors (see below), whose sum is σ = 43140902. Its totient is φ = 11133120.

The previous prime is 22266247. The next prime is 22266259. The reversal of 22266256 is 65266222.

It can be written as a sum of positive squares in only one way, i.e., 22240656 + 25600 = 4716^2 + 160^2 .

It is not an unprimeable number, because it can be changed into a prime (22266259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695805 + ... + 695836.

Almost surely, 2^22266256 is an apocalyptic number.

It is an amenable number.

22266256 is a deficient number, since it is larger than the sum of its proper divisors (20874646).

22266256 is a wasteful number, since it uses less digits than its factorization.

22266256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391649 (or 1391643 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 22266256 is about 4718.7133839639. The cubic root of 22266256 is about 281.3297968803.

It can be divided in two parts, 22266 and 256, that added together give a palindrome (22522).

The spelling of 22266256 in words is "twenty-two million, two hundred sixty-six thousand, two hundred fifty-six".