22867189 has 2 divisors, whose sum is σ = 22867190. Its totient is φ = 22867188.

The previous prime is 22867171. The next prime is 22867277. The reversal of 22867189 is 98176822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22800625 + 66564 = 4775^2 + 258^2 .

It is a cyclic number.

It is not a de Polignac number, because 22867189 - 2⁵ = 22867157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22867139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11433594 + 11433595.

It is an arithmetic number, because the mean of its divisors is an integer number (11433595).

Almost surely, 2^22867189 is an apocalyptic number.

It is an amenable number.

22867189 is a deficient number, since it is larger than the sum of its proper divisors (1).

22867189 is an equidigital number, since it uses as much as digits as its factorization.

22867189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 43.

The square root of 22867189 is about 4781.9649726864. The cubic root of 22867189 is about 283.8382542918.

The spelling of 22867189 in words is "twenty-two million, eight hundred sixty-seven thousand, one hundred eighty-nine".