22941689 has 2 divisors, whose sum is σ = 22941690. Its totient is φ = 22941688.

The previous prime is 22941647. The next prime is 22941707. The reversal of 22941689 is 98614922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22657600 + 284089 = 4760^2 + 533^2 .

It is a cyclic number.

It is not a de Polignac number, because 22941689 - 2⁸ = 22941433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22941089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11470844 + 11470845.

It is an arithmetic number, because the mean of its divisors is an integer number (11470845).

Almost surely, 2^22941689 is an apocalyptic number.

It is an amenable number.

22941689 is a deficient number, since it is larger than the sum of its proper divisors (1).

22941689 is an equidigital number, since it uses as much as digits as its factorization.

22941689 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 22941689 is about 4789.7483232420. The cubic root of 22941689 is about 284.1461631085.

The spelling of 22941689 in words is "twenty-two million, nine hundred forty-one thousand, six hundred eighty-nine".