222000031321200 has 360 divisors, whose sum is σ = 884671898148480. Its totient is φ = 50985652953600.

The previous prime is 222000031321199. The next prime is 222000031321207. The reversal of 222000031321200 is 2123130000222.

It is a tau number, because it is divible by the number of its divisors (360).

It is a super-2 number, since 2×222000031321200² (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222000031321207) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 146775532 + ... + 148280331.

Almost surely, 2^{222000031321200} is an apocalyptic number.

222000031321200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222000031321200 is an abundant number, since it is smaller than the sum of its proper divisors (662671866827280).

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

222000031321200 is a wasteful number, since it uses less digits than its factorization.

222000031321200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295055917 (or 295055903 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 222000031321200 its reverse (2123130000222), we get a palindrome (224123161321422).

The spelling of 222000031321200 in words is "two hundred twenty-two trillion, thirty-one million, three hundred twenty-one thousand, two hundred".