222042304 has 56 divisors (see below), whose sum is σ = 508973328. Its totient is φ = 94986240.

The previous prime is 222042283. The next prime is 222042313. The reversal of 222042304 is 403240222.

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, 2692 + ... + 21244.

Almost surely, 2^222042304 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 222042304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254486664).

222042304 is an abundant number, since it is smaller than the sum of its proper divisors (286931024).

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

222042304 is a wasteful number, since it uses less digits than its factorization.

222042304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18593 (or 18583 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 222042304 is about 14901.0839874151. The cubic root of 222042304 is about 605.5433535883.

Adding to 222042304 its reverse (403240222), we get a palindrome (625282526).

The spelling of 222042304 in words is "two hundred twenty-two million, forty-two thousand, three hundred four".