222211211202 has 48 divisors (see below), whose sum is σ = 486618795000. Its totient is φ = 73277568000.

The previous prime is 222211211177. The next prime is 222211211219. The reversal of 222211211202 is 202112112222.

It is a happy number.

222211211202 is a `hidden beast` number, since 222 + 211 + 211 + 20 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 221889044601 + 322166601 = 471051^2 + 17949^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2221752 + ... + 2319612.

Almost surely, 2^222211211202 is an apocalyptic number.

222211211202 is an abundant number, since it is smaller than the sum of its proper divisors (264407583798).

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

222211211202 is a wasteful number, since it uses less digits than its factorization.

222211211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99219 (or 99216 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222211211202 its reverse (202112112222), we get a palindrome (424323323424).

The spelling of 222211211202 in words is "two hundred twenty-two billion, two hundred eleven million, two hundred eleven thousand, two hundred two".