22733189 has 2 divisors, whose sum is σ = 22733190. Its totient is φ = 22733188.

The previous prime is 22733173. The next prime is 22733213. The reversal of 22733189 is 98133722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21252100 + 1481089 = 4610^2 + 1217^2 .

It is a cyclic number.

It is not a de Polignac number, because 22733189 - 2⁴ = 22733173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22733159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11366594 + 11366595.

It is an arithmetic number, because the mean of its divisors is an integer number (11366595).

Almost surely, 2^22733189 is an apocalyptic number.

It is an amenable number.

22733189 is a deficient number, since it is larger than the sum of its proper divisors (1).

22733189 is an equidigital number, since it uses as much as digits as its factorization.

22733189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 22733189 is about 4767.9334097699. The cubic root of 22733189 is about 283.2827442166.

It can be divided in two parts, 22733 and 189, that added together give a palindrome (22922).

The spelling of 22733189 in words is "twenty-two million, seven hundred thirty-three thousand, one hundred eighty-nine".