222123231994 has 32 divisors (see below), whose sum is σ = 345251579904. Its totient is φ = 107106402480.

The previous prime is 222123231991. The next prime is 222123232003. The reversal of 222123231994 is 499132321222.

It is not an unprimeable number, because it can be changed into a prime (222123231991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12918327 + ... + 12935509.

It is an arithmetic number, because the mean of its divisors is an integer number (10789111872).

Almost surely, 2^222123231994 is an apocalyptic number.

222123231994 is a deficient number, since it is larger than the sum of its proper divisors (123128347910).

222123231994 is a wasteful number, since it uses less digits than its factorization.

222123231994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19122.

The product of its digits is 93312, while the sum is 40.

The spelling of 222123231994 in words is "two hundred twenty-two billion, one hundred twenty-three million, two hundred thirty-one thousand, nine hundred ninety-four".