22642433 has 16 divisors (see below), whose sum is σ = 26231040. Its totient is φ = 19328400.

The previous prime is 22642429. The next prime is 22642457. The reversal of 22642433 is 33424622.

It is a cyclic number.

It is not a de Polignac number, because 22642433 - 2² = 22642429 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22642423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26966 + ... + 27792.

It is an arithmetic number, because the mean of its divisors is an integer number (1639440).

Almost surely, 2^22642433 is an apocalyptic number.

It is an amenable number.

22642433 is a deficient number, since it is larger than the sum of its proper divisors (3588607).

22642433 is a wasteful number, since it uses less digits than its factorization.

22642433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988.

The product of its digits is 6912, while the sum is 26.

The square root of 22642433 is about 4758.4065610244. The cubic root of 22642433 is about 282.9052653147.

The spelling of 22642433 in words is "twenty-two million, six hundred forty-two thousand, four hundred thirty-three".