22952389 has 2 divisors, whose sum is σ = 22952390. Its totient is φ = 22952388.

The previous prime is 22952387. The next prime is 22952443. The reversal of 22952389 is 98325922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21548164 + 1404225 = 4642^2 + 1185^2 .

It is a cyclic number.

It is not a de Polignac number, because 22952389 - 2¹ = 22952387 is a prime.

Together with 22952387, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22952381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11476194 + 11476195.

It is an arithmetic number, because the mean of its divisors is an integer number (11476195).

Almost surely, 2^22952389 is an apocalyptic number.

It is an amenable number.

22952389 is a deficient number, since it is larger than the sum of its proper divisors (1).

22952389 is an equidigital number, since it uses as much as digits as its factorization.

22952389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 22952389 is about 4790.8651619514. The cubic root of 22952389 is about 284.1903314839.

The spelling of 22952389 in words is "twenty-two million, nine hundred fifty-two thousand, three hundred eighty-nine".