22434889 has 2 divisors, whose sum is σ = 22434890. Its totient is φ = 22434888.

The previous prime is 22434859. The next prime is 22434977. The reversal of 22434889 is 98843422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17572864 + 4862025 = 4192^2 + 2205^2 .

It is a cyclic number.

It is not a de Polignac number, because 22434889 - 2⁵ = 22434857 is a prime.

It is not a weakly prime, because it can be changed into another prime (22434859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11217444 + 11217445.

It is an arithmetic number, because the mean of its divisors is an integer number (11217445).

Almost surely, 2^22434889 is an apocalyptic number.

It is an amenable number.

22434889 is a deficient number, since it is larger than the sum of its proper divisors (1).

22434889 is an equidigital number, since it uses as much as digits as its factorization.

22434889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 40.

The square root of 22434889 is about 4736.5482157369. The cubic root of 22434889 is about 282.0382264629.

The spelling of 22434889 in words is "twenty-two million, four hundred thirty-four thousand, eight hundred eighty-nine".