222131111208 has 16 divisors (see below), whose sum is σ = 555327778080. Its totient is φ = 74043703728.

The previous prime is 222131111203. The next prime is 222131111243. The reversal of 222131111208 is 802111131222.

It is a happy number.

It is a super-3 number, since 3×222131111208³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 9255462967 = 222131111208 / (2 + 2 + 2 + 1 + 3 + 1 + 1 + 1 + 1 + 2 + 0 + 8).

It is not an unprimeable number, because it can be changed into a prime (222131111203) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4627731460 + ... + 4627731507.

It is an arithmetic number, because the mean of its divisors is an integer number (34707986130).

Almost surely, 2^222131111208 is an apocalyptic number.

It is an amenable number.

222131111208 is an abundant number, since it is smaller than the sum of its proper divisors (333196666872).

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

222131111208 is a wasteful number, since it uses less digits than its factorization.

222131111208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9255462976 (or 9255462972 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The spelling of 222131111208 in words is "two hundred twenty-two billion, one hundred thirty-one million, one hundred eleven thousand, two hundred eight".