222336189 has 12 divisors (see below), whose sum is σ = 321412572. Its totient is φ = 148104000.

The previous prime is 222336143. The next prime is 222336197. The reversal of 222336189 is 981633222.

222336189 is a `hidden beast` number, since 2 + 2 + 2 + 33 + 618 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 127916100 + 94420089 = 11310^2 + 9717^2 .

It is not a de Polignac number, because 222336189 - 2⁹ = 222335677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222336139) 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 in 11 ways as a sum of consecutive naturals, for example, 2539 + ... + 21239.

It is an arithmetic number, because the mean of its divisors is an integer number (26784381).

Almost surely, 2^222336189 is an apocalyptic number.

It is an amenable number.

222336189 is a deficient number, since it is larger than the sum of its proper divisors (99076383).

222336189 is a wasteful number, since it uses less digits than its factorization.

222336189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20028 (or 20025 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 222336189 is about 14910.9419219578. The cubic root of 222336189 is about 605.8103922707.

The spelling of 222336189 in words is "two hundred twenty-two million, three hundred thirty-six thousand, one hundred eighty-nine".