222220202212 has 96 divisors (see below), whose sum is σ = 414649113984. Its totient is φ = 104080204800.

The previous prime is 222220202203. The next prime is 222220202219. The reversal of 222220202212 is 212202022222.

It is a super-2 number, since 2×222220202212² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222220202212.

It is not an unprimeable number, because it can be changed into a prime (222220202219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94924162 + ... + 94926502.

It is an arithmetic number, because the mean of its divisors is an integer number (4319261604).

Almost surely, 2^222220202212 is an apocalyptic number.

It is an amenable number.

222220202212 is a deficient number, since it is larger than the sum of its proper divisors (192428911772).

222220202212 is a wasteful number, since it uses less digits than its factorization.

222220202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669 (or 2667 counting only the distinct ones).

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

Adding to 222220202212 its reverse (212202022222), we get a palindrome (434422224434).

The spelling of 222220202212 in words is "two hundred twenty-two billion, two hundred twenty million, two hundred two thousand, two hundred twelve".