222202311212 has 48 divisors (see below), whose sum is σ = 452858999040. Its totient is φ = 93424497600.

The previous prime is 222202311167. The next prime is 222202311223. The reversal of 222202311212 is 212113202222.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 674162 + ... + 948102.

It is an arithmetic number, because the mean of its divisors is an integer number (9434562480).

Almost surely, 2^222202311212 is an apocalyptic number.

It is an amenable number.

222202311212 is an abundant number, since it is smaller than the sum of its proper divisors (230656687828).

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

222202311212 is a wasteful number, since it uses less digits than its factorization.

222202311212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274502 (or 274500 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 222202311212 its reverse (212113202222), we get a palindrome (434315513434).

The spelling of 222202311212 in words is "two hundred twenty-two billion, two hundred two million, three hundred eleven thousand, two hundred twelve".