222321312210 has 16 divisors (see below), whose sum is σ = 533571149376. Its totient is φ = 59285683248.

The previous prime is 222321312209. The next prime is 222321312251. The reversal of 222321312210 is 12213123222.

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, 3705355174 + ... + 3705355233.

It is an arithmetic number, because the mean of its divisors is an integer number (33348196836).

Almost surely, 2^222321312210 is an apocalyptic number.

222321312210 is an abundant number, since it is smaller than the sum of its proper divisors (311249837166).

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

222321312210 is a wasteful number, since it uses less digits than its factorization.

222321312210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7410710417.

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

Adding to 222321312210 its reverse (12213123222), we get a palindrome (234534435432).

The spelling of 222321312210 in words is "two hundred twenty-two billion, three hundred twenty-one million, three hundred twelve thousand, two hundred ten".