222100002222 has 32 divisors (see below), whose sum is σ = 508011547392. Its totient is φ = 63412843584.

The previous prime is 222100002199. The next prime is 222100002239. The reversal of 222100002222 is 222200001222.

It is a congruent number.

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, 1784928 + ... + 1905299.

It is an arithmetic number, because the mean of its divisors is an integer number (15875360856).

Almost surely, 2^222100002222 is an apocalyptic number.

222100002222 is an abundant number, since it is smaller than the sum of its proper divisors (285911545170).

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

222100002222 is a wasteful number, since it uses less digits than its factorization.

222100002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3691672.

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

Adding to 222100002222 its reverse (222200001222), we get a palindrome (444300003444).

The spelling of 222100002222 in words is "two hundred twenty-two billion, one hundred million, two thousand, two hundred twenty-two".