222001200012204 has 36 divisors (see below), whose sum is σ = 564018277206384. Its totient is φ = 73624763453472.

The previous prime is 222001200012199. The next prime is 222001200012281. The reversal of 222001200012204 is 402210002100222.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15651515752 + ... + 15651529935.

It is an arithmetic number, because the mean of its divisors is an integer number (15667174366844).

Almost surely, 2^{222001200012204} is an apocalyptic number.

It is an amenable number.

222001200012204 is an abundant number, since it is smaller than the sum of its proper divisors (342017077194180).

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

222001200012204 is a wasteful number, since it uses less digits than its factorization.

222001200012204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31303045894 (or 31303045889 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 222001200012204 its reverse (402210002100222), we get a palindrome (624211202112426).

The spelling of 222001200012204 in words is "two hundred twenty-two trillion, one billion, two hundred million, twelve thousand, two hundred four".