222382864 has 20 divisors (see below), whose sum is σ = 470036880. Its totient is φ = 101083040.

The previous prime is 222382841. The next prime is 222382891. The reversal of 222382864 is 468283222.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631594 + ... + 631945.

It is an arithmetic number, because the mean of its divisors is an integer number (23501844).

Almost surely, 2^222382864 is an apocalyptic number.

It is an amenable number.

222382864 is an abundant number, since it is smaller than the sum of its proper divisors (247654016).

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

222382864 is a wasteful number, since it uses less digits than its factorization.

222382864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263558 (or 1263552 counting only the distinct ones).

The product of its digits is 73728, while the sum is 37.

The square root of 222382864 is about 14912.5069656312. The cubic root of 222382864 is about 605.8527818636.

The spelling of 222382864 in words is "two hundred twenty-two million, three hundred eighty-two thousand, eight hundred sixty-four".