222122312004 has 24 divisors (see below), whose sum is σ = 520054295040. Its totient is φ = 73788070624.

The previous prime is 222122311951. The next prime is 222122312017. The reversal of 222122312004 is 400213221222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31583844 + ... + 31590875.

It is an arithmetic number, because the mean of its divisors is an integer number (21668928960).

Almost surely, 2^222122312004 is an apocalyptic number.

It is an amenable number.

222122312004 is an abundant number, since it is smaller than the sum of its proper divisors (297931983036).

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

222122312004 is a wasteful number, since it uses less digits than its factorization.

222122312004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63175019 (or 63175017 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 222122312004 its reverse (400213221222), we get a palindrome (622335533226).

The spelling of 222122312004 in words is "two hundred twenty-two billion, one hundred twenty-two million, three hundred twelve thousand, four".