222464664 has 32 divisors (see below), whose sum is σ = 617958000. Its totient is φ = 74154816.

The previous prime is 222464659. The next prime is 222464689. The reversal of 222464664 is 466464222.

222464664 is a `hidden beast` number, since 2 + 2 + 2 + 4 + 646 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514749 + ... + 515180.

Almost surely, 2^222464664 is an apocalyptic number.

222464664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

222464664 is an abundant number, since it is smaller than the sum of its proper divisors (395493336).

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

222464664 is a wasteful number, since it uses less digits than its factorization.

222464664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029944 (or 1029934 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 222464664 is about 14915.2493777342. The cubic root of 222464664 is about 605.9270571943.

The spelling of 222464664 in words is "two hundred twenty-two million, four hundred sixty-four thousand, six hundred sixty-four".