222222123000 has 160 divisors (see below), whose sum is σ = 776790059760. Its totient is φ = 59259211200.

The previous prime is 222222122989. The next prime is 222222123001. The reversal of 222222123000 is 321222222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222123001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1290742 + ... + 1452741.

Almost surely, 2^222222123000 is an apocalyptic number.

222222123000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222222123000 is an abundant number, since it is smaller than the sum of its proper divisors (554567936760).

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

222222123000 is a wasteful number, since it uses less digits than its factorization.

222222123000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743516 (or 2743493 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 222222123000 its reverse (321222222), we get a palindrome (222543345222).

The spelling of 222222123000 in words is "two hundred twenty-two billion, two hundred twenty-two million, one hundred twenty-three thousand".