22889023 has 2 divisors, whose sum is σ = 22889024. Its totient is φ = 22889022.

The previous prime is 22889017. The next prime is 22889081. The reversal of 22889023 is 32098822.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22889023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22889023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22889723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11444511 + 11444512.

It is an arithmetic number, because the mean of its divisors is an integer number (11444512).

Almost surely, 2^22889023 is an apocalyptic number.

22889023 is a deficient number, since it is larger than the sum of its proper divisors (1).

22889023 is an equidigital number, since it uses as much as digits as its factorization.

22889023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 22889023 is about 4784.2473807277. The cubic root of 22889023 is about 283.9285634979.

It can be divided in two parts, 2288 and 9023, that added together give a palindrome (11311).

The spelling of 22889023 in words is "twenty-two million, eight hundred eighty-nine thousand, twenty-three".