22301189 has 2 divisors, whose sum is σ = 22301190. Its totient is φ = 22301188.

The previous prime is 22301179. The next prime is 22301207. The reversal of 22301189 is 98110322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18232900 + 4068289 = 4270^2 + 2017^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22301189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22301179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11150594 + 11150595.

It is an arithmetic number, because the mean of its divisors is an integer number (11150595).

Almost surely, 2^22301189 is an apocalyptic number.

It is an amenable number.

22301189 is a deficient number, since it is larger than the sum of its proper divisors (1).

22301189 is an equidigital number, since it uses as much as digits as its factorization.

22301189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 22301189 is about 4722.4134719442. The cubic root of 22301189 is about 281.4768438856.

The spelling of 22301189 in words is "twenty-two million, three hundred one thousand, one hundred eighty-nine".