22423756 has 6 divisors (see below), whose sum is σ = 39241580. Its totient is φ = 11211876.

The previous prime is 22423733. The next prime is 22423759. The reversal of 22423756 is 65732422.

It is not an unprimeable number, because it can be changed into a prime (22423759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2802966 + ... + 2802973.

Almost surely, 2^22423756 is an apocalyptic number.

It is an amenable number.

22423756 is a deficient number, since it is larger than the sum of its proper divisors (16817824).

22423756 is a wasteful number, since it uses less digits than its factorization.

22423756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5605943 (or 5605941 counting only the distinct ones).

The product of its digits is 20160, while the sum is 31.

The square root of 22423756 is about 4735.3728469889. The cubic root of 22423756 is about 281.9915662350.

The spelling of 22423756 in words is "twenty-two million, four hundred twenty-three thousand, seven hundred fifty-six".