22958869 has 2 divisors, whose sum is σ = 22958870. Its totient is φ = 22958868.

The previous prime is 22958867. The next prime is 22958917. The reversal of 22958869 is 96885922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19580625 + 3378244 = 4425^2 + 1838^2 .

It is a cyclic number.

It is not a de Polignac number, because 22958869 - 2¹ = 22958867 is a prime.

It is a super-2 number, since 2×22958869² = 1054219331518322, which contains 22 as substring.

Together with 22958867, 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 (22958867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11479434 + 11479435.

It is an arithmetic number, because the mean of its divisors is an integer number (11479435).

Almost surely, 2^22958869 is an apocalyptic number.

It is an amenable number.

22958869 is a deficient number, since it is larger than the sum of its proper divisors (1).

22958869 is an equidigital number, since it uses as much as digits as its factorization.

22958869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 49.

The square root of 22958869 is about 4791.5414012612. The cubic root of 22958869 is about 284.2170735087.

The spelling of 22958869 in words is "twenty-two million, nine hundred fifty-eight thousand, eight hundred sixty-nine".