222210222 has 32 divisors (see below), whose sum is σ = 499419648. Its totient is φ = 65399136.

The previous prime is 222210211. The next prime is 222210223. The reversal of 222210222 is 222012222.

It is a super-2 number, since 2×222210222² = 98754765522578568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222210223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60138 + ... + 63725.

It is an arithmetic number, because the mean of its divisors is an integer number (15606864).

Almost surely, 2^222210222 is an apocalyptic number.

222210222 is an abundant number, since it is smaller than the sum of its proper divisors (277209426).

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

222210222 is a wasteful number, since it uses less digits than its factorization.

222210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123904.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 222210222 is about 14906.7173448751. The cubic root of 222210222 is about 605.6959611557.

Adding to 222210222 its reverse (222012222), we get a palindrome (444222444).

The spelling of 222210222 in words is "two hundred twenty-two million, two hundred ten thousand, two hundred twenty-two".