22894889 has 2 divisors, whose sum is σ = 22894890. Its totient is φ = 22894888.

The previous prime is 22894849. The next prime is 22894909. The reversal of 22894889 is 98849822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19891600 + 3003289 = 4460^2 + 1733^2 .

It is a cyclic number.

It is not a de Polignac number, because 22894889 - 2¹² = 22890793 is a prime.

It is not a weakly prime, because it can be changed into another prime (22894819) 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, 11447444 + 11447445.

It is an arithmetic number, because the mean of its divisors is an integer number (11447445).

Almost surely, 2^22894889 is an apocalyptic number.

It is an amenable number.

22894889 is a deficient number, since it is larger than the sum of its proper divisors (1).

22894889 is an equidigital number, since it uses as much as digits as its factorization.

22894889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 663552, while the sum is 50.

The square root of 22894889 is about 4784.8603950377. The cubic root of 22894889 is about 283.9528165018.

The spelling of 22894889 in words is "twenty-two million, eight hundred ninety-four thousand, eight hundred eighty-nine".