222202311312 has 80 divisors (see below), whose sum is σ = 576010686528. Its totient is φ = 73811189760.

The previous prime is 222202311229. The next prime is 222202311313. The reversal of 222202311312 is 213113202222.

It is a super-2 number, since 2×222202311312² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222202311313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36477387 + ... + 36483477.

Almost surely, 2^222202311312 is an apocalyptic number.

It is an amenable number.

222202311312 is an abundant number, since it is smaller than the sum of its proper divisors (353808375216).

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

222202311312 is a wasteful number, since it uses less digits than its factorization.

222202311312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8608 (or 8602 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 222202311312 its reverse (213113202222), we get a palindrome (435315513534).

The spelling of 222202311312 in words is "two hundred twenty-two billion, two hundred two million, three hundred eleven thousand, three hundred twelve".