222213042 has 12 divisors (see below), whose sum is σ = 481461630. Its totient is φ = 74071008.

The previous prime is 222213023. The next prime is 222213067. The reversal of 222213042 is 240312222.

222213042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 117744201 + 104468841 = 10851^2 + 10221^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 12345169 = 222213042 / (2 + 2 + 2 + 2 + 1 + 3 + 0 + 4 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6172567 + ... + 6172602.

Almost surely, 2^222213042 is an apocalyptic number.

222213042 is an abundant number, since it is smaller than the sum of its proper divisors (259248588).

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

222213042 is a wasteful number, since it uses less digits than its factorization.

222213042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12345177 (or 12345174 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 222213042 is about 14906.8119328044. The cubic root of 222213042 is about 605.6985233771.

Adding to 222213042 its reverse (240312222), we get a palindrome (462525264).

The spelling of 222213042 in words is "two hundred twenty-two million, two hundred thirteen thousand, forty-two".