222122321010 has 64 divisors (see below), whose sum is σ = 604928908800. Its totient is φ = 57972347136.

The previous prime is 222122321009. The next prime is 222122321027. The reversal of 222122321010 is 10123221222.

222122321010 is a `hidden beast` number, since 2 + 221 + 223 + 210 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 8739175 + ... + 8764554.

It is an arithmetic number, because the mean of its divisors is an integer number (9452014200).

Almost surely, 2^222122321010 is an apocalyptic number.

222122321010 is an abundant number, since it is smaller than the sum of its proper divisors (382806587790).

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

222122321010 is a wasteful number, since it uses less digits than its factorization.

222122321010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17503792 (or 17503786 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222122321010 its reverse (10123221222), we get a palindrome (232245542232).

The spelling of 222122321010 in words is "two hundred twenty-two billion, one hundred twenty-two million, three hundred twenty-one thousand, ten".