222221200202212 has 48 divisors (see below), whose sum is σ = 401204794273920. Its totient is φ = 107649956164608.

The previous prime is 222221200202179. The next prime is 222221200202257. The reversal of 222221200202212 is 212202002122222.

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, 6706662 + ... + 22122877.

It is an arithmetic number, because the mean of its divisors is an integer number (8358433214040).

Almost surely, 2^{222221200202212} is an apocalyptic number.

It is an amenable number.

222221200202212 is a deficient number, since it is larger than the sum of its proper divisors (178983594071708).

222221200202212 is a wasteful number, since it uses less digits than its factorization.

222221200202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28830052 (or 28830050 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 222221200202212 its reverse (212202002122222), we get a palindrome (434423202324434).

The spelling of 222221200202212 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred million, two hundred two thousand, two hundred twelve".