222333664 has 24 divisors (see below), whose sum is σ = 500251248. Its totient is φ = 95285760.

The previous prime is 222333647. The next prime is 222333673. The reversal of 222333664 is 466333222.

It is a congruent number.

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, 496057 + ... + 496504.

It is an arithmetic number, because the mean of its divisors is an integer number (20843802).

Almost surely, 2^222333664 is an apocalyptic number.

It is an amenable number.

222333664 is an abundant number, since it is smaller than the sum of its proper divisors (277917584).

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

222333664 is an equidigital number, since it uses as much as digits as its factorization.

222333664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992578 (or 992570 counting only the distinct ones).

The product of its digits is 31104, while the sum is 31.

The square root of 222333664 is about 14910.8572523514. The cubic root of 222333664 is about 605.8080989313.

Adding to 222333664 its reverse (466333222), we get a palindrome (688666886).

The spelling of 222333664 in words is "two hundred twenty-two million, three hundred thirty-three thousand, six hundred sixty-four".