222222230000 has 50 divisors (see below), whose sum is σ = 538022265264. Its totient is φ = 88888888000.

The previous prime is 222222229891. The next prime is 222222230003. The reversal of 222222230000 is 32222222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222230003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 11101112 + ... + 11121111.

Almost surely, 2^222222230000 is an apocalyptic number.

222222230000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222222230000 is an abundant number, since it is smaller than the sum of its proper divisors (315800035264).

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

222222230000 is an equidigital number, since it uses as much as digits as its factorization.

222222230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22222251 (or 22222230 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 222222230000 its reverse (32222222), we get a palindrome (222254452222).

The spelling of 222222230000 in words is "two hundred twenty-two billion, two hundred twenty-two million, two hundred thirty thousand".