222412042 has 16 divisors (see below), whose sum is σ = 346182912. Its totient is φ = 107055360.

The previous prime is 222412027. The next prime is 222412109. The reversal of 222412042 is 240214222.

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 7 ways as a sum of consecutive naturals, for example, 2673 + ... + 21259.

It is an arithmetic number, because the mean of its divisors is an integer number (21636432).

Almost surely, 2^222412042 is an apocalyptic number.

222412042 is a deficient number, since it is larger than the sum of its proper divisors (123770870).

222412042 is a wasteful number, since it uses less digits than its factorization.

222412042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18813.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 222412042 is about 14913.4852398760. The cubic root of 222412042 is about 605.8792779090.

Adding to 222412042 its reverse (240214222), we get a palindrome (462626264).

The spelling of 222412042 in words is "two hundred twenty-two million, four hundred twelve thousand, forty-two".