222423842 has 16 divisors (see below), whose sum is σ = 351520800. Its totient is φ = 105261120.

The previous prime is 222423833. The next prime is 222423857. The reversal of 222423842 is 248324222.

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, 54617 + ... + 58547.

It is an arithmetic number, because the mean of its divisors is an integer number (21970050).

Almost surely, 2^222423842 is an apocalyptic number.

222423842 is a deficient number, since it is larger than the sum of its proper divisors (129096958).

222423842 is a wasteful number, since it uses less digits than its factorization.

222423842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5441.

The product of its digits is 12288, while the sum is 29.

The square root of 222423842 is about 14913.8808497319. The cubic root of 222423842 is about 605.8899926302.

The spelling of 222423842 in words is "two hundred twenty-two million, four hundred twenty-three thousand, eight hundred forty-two".