222222201002212 has 24 divisors (see below), whose sum is σ = 393184176360696. Its totient is φ = 109885533477888.

The previous prime is 222222201002171. The next prime is 222222201002237. The reversal of 222222201002212 is 212200102222222.

It can be written as a sum of positive squares in 4 ways, for example, as 38221006394596 + 184001194607616 = 6182314^2 + 13564704^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208038883 + ... + 209104330.

It is an arithmetic number, because the mean of its divisors is an integer number (16382674015029).

Almost surely, 2^{222222201002212} is an apocalyptic number.

It is an amenable number.

222222201002212 is a deficient number, since it is larger than the sum of its proper divisors (170961975358484).

222222201002212 is a wasteful number, since it uses less digits than its factorization.

222222201002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417144687 (or 417144685 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 222222201002212 its reverse (212200102222222), we get a palindrome (434422303224434).

The spelling of 222222201002212 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, two hundred one million, two thousand, two hundred twelve".