222222004312 has 64 divisors (see below), whose sum is σ = 536237475840. Its totient is φ = 83787091200.

The previous prime is 222222004309. The next prime is 222222004313. The reversal of 222222004312 is 213400222222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222004313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5799453 + ... + 5837644.

It is an arithmetic number, because the mean of its divisors is an integer number (8378710560).

Almost surely, 2^222222004312 is an apocalyptic number.

222222004312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222222004312 is an abundant number, since it is smaller than the sum of its proper divisors (314015471528).

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

222222004312 is a wasteful number, since it uses less digits than its factorization.

222222004312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11637152 (or 11637148 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 222222004312 its reverse (213400222222), we get a palindrome (435622226534).

The spelling of 222222004312 in words is "two hundred twenty-two billion, two hundred twenty-two million, four thousand, three hundred twelve".