222102420212 has 12 divisors (see below), whose sum is σ = 389929010016. Its totient is φ = 110694131640.

The previous prime is 222102420203. The next prime is 222102420217. The reversal of 222102420212 is 212024201222.

It is a super-2 number, since 2×222102420212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222102420217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89268218 + ... + 89270705.

It is an arithmetic number, because the mean of its divisors is an integer number (32494084168).

Almost surely, 2^222102420212 is an apocalyptic number.

It is an amenable number.

222102420212 is a deficient number, since it is larger than the sum of its proper divisors (167826589804).

222102420212 is a wasteful number, since it uses less digits than its factorization.

222102420212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178539238 (or 178539236 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222102420212 its reverse (212024201222), we get a palindrome (434126621434).

The spelling of 222102420212 in words is "two hundred twenty-two billion, one hundred two million, four hundred twenty thousand, two hundred twelve".