222189268 has 24 divisors (see below), whose sum is σ = 467768000. Its totient is φ = 90211968.

The previous prime is 222189169. The next prime is 222189277. The reversal of 222189268 is 862981222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 222189268.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208293 + ... + 209356.

Almost surely, 2^222189268 is an apocalyptic number.

222189268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

222189268 is an abundant number, since it is smaller than the sum of its proper divisors (245578732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222189268 is a wasteful number, since it uses less digits than its factorization.

222189268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417679 (or 417677 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 222189268 is about 14906.0144908020. The cubic root of 222189268 is about 605.6769218993.

The spelling of 222189268 in words is "two hundred twenty-two million, one hundred eighty-nine thousand, two hundred sixty-eight".