222464018 has 24 divisors (see below), whose sum is σ = 389256192. Its totient is φ = 95076744.

The previous prime is 222464009. The next prime is 222464089. The reversal of 222464018 is 810464222.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34571 + ... + 40497.

It is an arithmetic number, because the mean of its divisors is an integer number (16219008).

Almost surely, 2^222464018 is an apocalyptic number.

222464018 is a deficient number, since it is larger than the sum of its proper divisors (166792174).

222464018 is a wasteful number, since it uses less digits than its factorization.

222464018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6326 (or 6319 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 222464018 is about 14915.2277220296. The cubic root of 222464018 is about 605.9264706903.

The spelling of 222464018 in words is "two hundred twenty-two million, four hundred sixty-four thousand, eighteen".