222242944 has 64 divisors (see below), whose sum is σ = 552024000. Its totient is φ = 86584320.

The previous prime is 222242927. The next prime is 222242971. The reversal of 222242944 is 449242222.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1419 + ... + 21130.

It is an arithmetic number, because the mean of its divisors is an integer number (8625375).

Almost surely, 2^222242944 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 222242944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276012000).

222242944 is an abundant number, since it is smaller than the sum of its proper divisors (329781056).

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

222242944 is a wasteful number, since it uses less digits than its factorization.

222242944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22581 (or 22569 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The square root of 222242944 is about 14907.8148633527. The cubic root of 222242944 is about 605.7256906768.

The spelling of 222242944 in words is "two hundred twenty-two million, two hundred forty-two thousand, nine hundred forty-four".