222001200012222 has 48 divisors (see below), whose sum is σ = 509337354445920. Its totient is φ = 69641899047936.

The previous prime is 222001200012199. The next prime is 222001200012281. The reversal of 222001200012222 is 222210002100222.

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

It is a junction number, because it is equal to n+sod(n) for n = 222001200012195 and 222001200012204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24977947 + ... + 32678742.

It is an arithmetic number, because the mean of its divisors is an integer number (10611194884290).

Almost surely, 2^{222001200012222} is an apocalyptic number.

222001200012222 is an abundant number, since it is smaller than the sum of its proper divisors (287336154433698).

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

222001200012222 is a wasteful number, since it uses less digits than its factorization.

222001200012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57669297 (or 57669294 counting only the distinct ones).

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

Adding to 222001200012222 its reverse (222210002100222), we get a palindrome (444211202112444).

The spelling of 222001200012222 in words is "two hundred twenty-two trillion, one billion, two hundred million, twelve thousand, two hundred twenty-two".