222122330000 has 50 divisors (see below), whose sum is σ = 537780397374. Its totient is φ = 88848928000.

The previous prime is 222122329997. The next prime is 222122330041. The reversal of 222122330000 is 33221222.

It can be written as a sum of positive squares in 5 ways, for example, as 77275104256 + 144847225744 = 277984^2 + 380588^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 11096117 + ... + 11116116.

Almost surely, 2^222122330000 is an apocalyptic number.

222122330000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222122330000 is an abundant number, since it is smaller than the sum of its proper divisors (315658067374).

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

222122330000 is an equidigital number, since it uses as much as digits as its factorization.

222122330000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22212261 (or 22212240 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 222122330000 its reverse (33221222), we get a palindrome (222155551222).

The spelling of 222122330000 in words is "two hundred twenty-two billion, one hundred twenty-two million, three hundred thirty thousand".