22722533 has 8 divisors (see below), whose sum is σ = 23548800. Its totient is φ = 21909888.

The previous prime is 22722527. The next prime is 22722547. The reversal of 22722533 is 33522722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22722533 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22722563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53 + ... + 6741.

It is an arithmetic number, because the mean of its divisors is an integer number (2943600).

Almost surely, 2^22722533 is an apocalyptic number.

It is an amenable number.

22722533 is a deficient number, since it is larger than the sum of its proper divisors (826267).

22722533 is an equidigital number, since it uses as much as digits as its factorization.

22722533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6811.

The product of its digits is 5040, while the sum is 26.

The square root of 22722533 is about 4766.8158135174. The cubic root of 22722533 is about 283.2384751276.

The spelling of 22722533 in words is "twenty-two million, seven hundred twenty-two thousand, five hundred thirty-three".