222322122210 has 64 divisors (see below), whose sum is σ = 541791575424. Its totient is φ = 58373568000.

The previous prime is 222322122199. The next prime is 222322122223. The reversal of 222322122210 is 12221223222.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4439310 + ... + 4489110.

It is an arithmetic number, because the mean of its divisors is an integer number (8465493366).

Almost surely, 2^222322122210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222322122210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270895787712).

222322122210 is an abundant number, since it is smaller than the sum of its proper divisors (319469453214).

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

222322122210 is a wasteful number, since it uses less digits than its factorization.

222322122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52099.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 222322122210 its reverse (12221223222), we get a palindrome (234543345432).

The spelling of 222322122210 in words is "two hundred twenty-two billion, three hundred twenty-two million, one hundred twenty-two thousand, two hundred ten".