22712833 has 16 divisors (see below), whose sum is σ = 28256256. Its totient is φ = 17936640.

The previous prime is 22712813. The next prime is 22712843. The reversal of 22712833 is 33821722.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22712833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22712813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2241 + ... + 7102.

It is an arithmetic number, because the mean of its divisors is an integer number (1766016).

Almost surely, 2^22712833 is an apocalyptic number.

It is an amenable number.

22712833 is a deficient number, since it is larger than the sum of its proper divisors (5543423).

22712833 is a wasteful number, since it uses less digits than its factorization.

22712833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9384.

The product of its digits is 4032, while the sum is 28.

The square root of 22712833 is about 4765.7982542277. The cubic root of 22712833 is about 283.1981655921.

Subtracting 22712833 from its reverse (33821722), we obtain a square (11108889 = 3333²).

The spelling of 22712833 in words is "twenty-two million, seven hundred twelve thousand, eight hundred thirty-three".