222122244 has 12 divisors (see below), whose sum is σ = 518285264. Its totient is φ = 74040744.

The previous prime is 222122239. The next prime is 222122249. The reversal of 222122244 is 442221222.

It is an interprime number because it is at equal distance from previous prime (222122239) and next prime (222122249).

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 222122244.

It is not an unprimeable number, because it can be changed into a prime (222122249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9255082 + ... + 9255105.

Almost surely, 2^222122244 is an apocalyptic number.

It is an amenable number.

222122244 is an abundant number, since it is smaller than the sum of its proper divisors (296163020).

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

222122244 is a wasteful number, since it uses less digits than its factorization.

222122244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18510194 (or 18510192 counting only the distinct ones).

The product of its digits is 1024, while the sum is 21.

The square root of 222122244 is about 14903.7661012242. The cubic root of 222122244 is about 605.6160144083.

Adding to 222122244 its reverse (442221222), we get a palindrome (664343466).

The spelling of 222122244 in words is "two hundred twenty-two million, one hundred twenty-two thousand, two hundred forty-four".