22989641 has 2 divisors, whose sum is σ = 22989642. Its totient is φ = 22989640.

The previous prime is 22989623. The next prime is 22989653. The reversal of 22989641 is 14698922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15721225 + 7268416 = 3965^2 + 2696^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22989641 is a prime.

It is not a weakly prime, because it can be changed into another prime (22989611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11494820 + 11494821.

It is an arithmetic number, because the mean of its divisors is an integer number (11494821).

Almost surely, 2^22989641 is an apocalyptic number.

It is an amenable number.

22989641 is a deficient number, since it is larger than the sum of its proper divisors (1).

22989641 is an equidigital number, since it uses as much as digits as its factorization.

22989641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 41.

The square root of 22989641 is about 4794.7514012720. The cubic root of 22989641 is about 284.3439964751.

The spelling of 22989641 in words is "twenty-two million, nine hundred eighty-nine thousand, six hundred forty-one".