222050664 has 96 divisors (see below), whose sum is σ = 659262240. Its totient is φ = 66960000.

The previous prime is 222050657. The next prime is 222050681. The reversal of 222050664 is 466050222.

222050664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198234 + ... + 199350.

It is an arithmetic number, because the mean of its divisors is an integer number (6867315).

Almost surely, 2^222050664 is an apocalyptic number.

222050664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222050664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329631120).

222050664 is an abundant number, since it is smaller than the sum of its proper divisors (437211576).

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

222050664 is a wasteful number, since it uses less digits than its factorization.

222050664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391 (or 1384 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 222050664 is about 14901.3645012797. The cubic root of 222050664 is about 605.5509531595.

The spelling of 222050664 in words is "two hundred twenty-two million, fifty thousand, six hundred sixty-four".