222045858 has 24 divisors (see below), whose sum is σ = 481620828. Its totient is φ = 73935072.

The previous prime is 222045847. The next prime is 222045869. The reversal of 222045858 is 858540222.

222045858 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222045847) and next prime (222045869).

It can be written as a sum of positive squares in 2 ways, for example, as 212663889 + 9381969 = 14583^2 + 3063^2 .

It is an unprimeable number.

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, 11760 + ... + 24132.

Almost surely, 2^222045858 is an apocalyptic number.

222045858 is an abundant number, since it is smaller than the sum of its proper divisors (259574970).

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

222045858 is a wasteful number, since it uses less digits than its factorization.

222045858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13378 (or 13375 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 222045858 is about 14901.2032400072. The cubic root of 222045858 is about 605.5465843384.

The spelling of 222045858 in words is "two hundred twenty-two million, forty-five thousand, eight hundred fifty-eight".