202211112222 has 48 divisors (see below), whose sum is σ = 503510567040. Its totient is φ = 57451833936.

The previous prime is 202211112199. The next prime is 202211112239. The reversal of 202211112222 is 222211112202.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 202211112195 and 202211112204.

It is a congruent number.

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, 4460268 + ... + 4505375.

It is an arithmetic number, because the mean of its divisors is an integer number (10489803480).

Almost surely, 2^202211112222 is an apocalyptic number.

202211112222 is an abundant number, since it is smaller than the sum of its proper divisors (301299454818).

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

202211112222 is a wasteful number, since it uses less digits than its factorization.

202211112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8965837 (or 8965834 counting only the distinct ones).

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

Adding to 202211112222 its reverse (222211112202), we get a palindrome (424422224424).

The spelling of 202211112222 in words is "two hundred two billion, two hundred eleven million, one hundred twelve thousand, two hundred twenty-two".