222120212202 has 40 divisors (see below), whose sum is σ = 568815784416. Its totient is φ = 63462917448.

The previous prime is 222120212201. The next prime is 222120212207. The reversal of 222120212202 is 202212021222.

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

It is not an unprimeable number, because it can be changed into a prime (222120212201) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 97935468 + ... + 97937735.

Almost surely, 2^222120212202 is an apocalyptic number.

222120212202 is an abundant number, since it is smaller than the sum of its proper divisors (346695572214).

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

222120212202 is a wasteful number, since it uses less digits than its factorization.

222120212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195873224 (or 195873215 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 222120212202 its reverse (202212021222), we get a palindrome (424332233424).

It can be divided in two parts, 22212021220 and 2, that added together give a palindrome (22212021222).

The spelling of 222120212202 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred twelve thousand, two hundred two".