222204234 has 16 divisors (see below), whose sum is σ = 507895488. Its totient is φ = 63486912.

The previous prime is 222204233. The next prime is 222204247. The reversal of 222204234 is 432402222.

222204234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222204234.

It is not an unprimeable number, because it can be changed into a prime (222204233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2645247 + ... + 2645330.

It is an arithmetic number, because the mean of its divisors is an integer number (31743468).

Almost surely, 2^222204234 is an apocalyptic number.

222204234 is an abundant number, since it is smaller than the sum of its proper divisors (285691254).

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

222204234 is a wasteful number, since it uses less digits than its factorization.

222204234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290589.

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

The square root of 222204234 is about 14906.5164944731. The cubic root of 222204234 is about 605.6905204519.

Adding to 222204234 its reverse (432402222), we get a palindrome (654606456).

The spelling of 222204234 in words is "two hundred twenty-two million, two hundred four thousand, two hundred thirty-four".