222131320202 has 16 divisors (see below), whose sum is σ = 367086505824. Its totient is φ = 99969090000.

The previous prime is 222131320189. The next prime is 222131320211. The reversal of 222131320202 is 202023131222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49982324 + ... + 49986767.

It is an arithmetic number, because the mean of its divisors is an integer number (22942906614).

Almost surely, 2^222131320202 is an apocalyptic number.

222131320202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222131320202 is a deficient number, since it is larger than the sum of its proper divisors (144955185622).

222131320202 is a wasteful number, since it uses less digits than its factorization.

222131320202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99969205.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222131320202 its reverse (202023131222), we get a palindrome (424154451424).

The spelling of 222131320202 in words is "two hundred twenty-two billion, one hundred thirty-one million, three hundred twenty thousand, two hundred two".