22265266 has 4 divisors (see below), whose sum is σ = 33397902. Its totient is φ = 11132632.

The previous prime is 22265261. The next prime is 22265279. The reversal of 22265266 is 66256222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16605625 + 5659641 = 4075^2 + 2379^2 .

It is not an unprimeable number, because it can be changed into a prime (22265261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5566315 + ... + 5566318.

Almost surely, 2^22265266 is an apocalyptic number.

22265266 is a deficient number, since it is larger than the sum of its proper divisors (11132636).

22265266 is a wasteful number, since it uses less digits than its factorization.

22265266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11132635.

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

The square root of 22265266 is about 4718.6084813216. The cubic root of 22265266 is about 281.3256273330.

The spelling of 22265266 in words is "twenty-two million, two hundred sixty-five thousand, two hundred sixty-six".