222044242 has 64 divisors (see below), whose sum is σ = 425502720. Its totient is φ = 84704256.

The previous prime is 222044239. The next prime is 222044261. The reversal of 222044242 is 242440222.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 365503 + ... + 366109.

It is an arithmetic number, because the mean of its divisors is an integer number (6648480).

Almost surely, 2^222044242 is an apocalyptic number.

222044242 is a deficient number, since it is larger than the sum of its proper divisors (203458478).

222044242 is a wasteful number, since it uses less digits than its factorization.

222044242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 222044242 is about 14901.1490160994. The cubic root of 222044242 is about 605.5451153241.

Adding to 222044242 its reverse (242440222), we get a palindrome (464484464).

The spelling of 222044242 in words is "two hundred twenty-two million, forty-four thousand, two hundred forty-two".