222243042 has 32 divisors (see below), whose sum is σ = 520377984. Its totient is φ = 61948800.

The previous prime is 222243031. The next prime is 222243059. The reversal of 222243042 is 240342222.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62809 + ... + 66252.

It is an arithmetic number, because the mean of its divisors is an integer number (16261812).

Almost surely, 2^222243042 is an apocalyptic number.

222243042 is an abundant number, since it is smaller than the sum of its proper divisors (298134942).

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

222243042 is a wasteful number, since it uses less digits than its factorization.

222243042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129114.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 222243042 is about 14907.8181502190. The cubic root of 222243042 is about 605.7257797101.

Adding to 222243042 its reverse (240342222), we get a palindrome (462585264).

The spelling of 222243042 in words is "two hundred twenty-two million, two hundred forty-three thousand, forty-two".