222202220212 has 48 divisors (see below), whose sum is σ = 480148905600. Its totient is φ = 89627776896.

The previous prime is 222202220209. The next prime is 222202220237. The reversal of 222202220212 is 212022202222.

It is a self number, because there is not a number n which added to its sum of digits gives 222202220212.

It is a congruent number.

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, 4740058 + ... + 4786705.

It is an arithmetic number, because the mean of its divisors is an integer number (10003102200).

Almost surely, 2^222202220212 is an apocalyptic number.

It is an amenable number.

222202220212 is an abundant number, since it is smaller than the sum of its proper divisors (257946685388).

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

222202220212 is a wasteful number, since it uses less digits than its factorization.

222202220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9526805 (or 9526789 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 222202220212 its reverse (212022202222), we get a palindrome (434224422434).

The spelling of 222202220212 in words is "two hundred twenty-two billion, two hundred two million, two hundred twenty thousand, two hundred twelve".