222202002212 has 24 divisors (see below), whose sum is σ = 395645758200. Its totient is φ = 109171673856.

The previous prime is 222202002193. The next prime is 222202002233. The reversal of 222202002212 is 212200202222.

It can be written as a sum of positive squares in 4 ways, for example, as 36014930176 + 186187072036 = 189776^2 + 431494^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1335887 + ... + 1492982.

It is an arithmetic number, because the mean of its divisors is an integer number (16485239925).

Almost surely, 2^222202002212 is an apocalyptic number.

It is an amenable number.

222202002212 is a deficient number, since it is larger than the sum of its proper divisors (173443755988).

222202002212 is a wasteful number, since it uses less digits than its factorization.

222202002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829215 (or 2829213 counting only the distinct ones).

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

Adding to 222202002212 its reverse (212200202222), we get a palindrome (434402204434).

The spelling of 222202002212 in words is "two hundred twenty-two billion, two hundred two million, two thousand, two hundred twelve".