202100222222 has 16 divisors (see below), whose sum is σ = 321200992512. Its totient is φ = 95041309440.

The previous prime is 202100222189. The next prime is 202100222227. The reversal of 202100222222 is 222222001202.

It is a Harshad number since it is a multiple of its sum of digits (17).

202100222222 is a modest number, since divided by 222222 gives 202100 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 202100222222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202100222227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1970423 + ... + 2070450.

It is an arithmetic number, because the mean of its divisors is an integer number (20075062032).

Almost surely, 2^202100222222 is an apocalyptic number.

202100222222 is a deficient number, since it is larger than the sum of its proper divisors (119100770290).

202100222222 is a wasteful number, since it uses less digits than its factorization.

202100222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4042363.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 202100222222 its reverse (222222001202), we get a palindrome (424322223424).

The spelling of 202100222222 in words is "two hundred two billion, one hundred million, two hundred twenty-two thousand, two hundred twenty-two".