222927664 has 60 divisors (see below), whose sum is σ = 471586384. Its totient is φ = 101993472.

The previous prime is 222927641. The next prime is 222927671. The reversal of 222927664 is 466729222.

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, 170437 + ... + 171739.

Almost surely, 2^222927664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222927664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235793192).

222927664 is an abundant number, since it is smaller than the sum of its proper divisors (248658720).

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

222927664 is a wasteful number, since it uses less digits than its factorization.

222927664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382 (or 1359 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 222927664 is about 14930.7623382063. The cubic root of 222927664 is about 606.3471236467.

The spelling of 222927664 in words is "two hundred twenty-two million, nine hundred twenty-seven thousand, six hundred sixty-four".