222444330 has 32 divisors (see below), whose sum is σ = 536675328. Its totient is φ = 59006400.

The previous prime is 222444317. The next prime is 222444353. The reversal of 222444330 is 33444222.

It is a self number, because there is not a number n which added to its sum of digits gives 222444330.

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 15 ways as a sum of consecutive naturals, for example, 13681 + ... + 25140.

It is an arithmetic number, because the mean of its divisors is an integer number (16771104).

Almost surely, 2^222444330 is an apocalyptic number.

222444330 is an abundant number, since it is smaller than the sum of its proper divisors (314230998).

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

222444330 is a wasteful number, since it uses less digits than its factorization.

222444330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39022.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 222444330 is about 14914.5677107987. The cubic root of 222444330 is about 605.9085953916.

Adding to 222444330 its reverse (33444222), we get a palindrome (255888552).

The spelling of 222444330 in words is "two hundred twenty-two million, four hundred forty-four thousand, three hundred thirty".