222202122213 has 4 divisors (see below), whose sum is σ = 296269496288. Its totient is φ = 148134748140.

The previous prime is 222202122209. The next prime is 222202122277. The reversal of 222202122213 is 312221202222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 222202122213 - 2² = 222202122209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222202122213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222202122413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37033687033 + ... + 37033687038.

It is an arithmetic number, because the mean of its divisors is an integer number (74067374072).

Almost surely, 2^222202122213 is an apocalyptic number.

It is an amenable number.

222202122213 is a deficient number, since it is larger than the sum of its proper divisors (74067374075).

222202122213 is an equidigital number, since it uses as much as digits as its factorization.

222202122213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74067374074.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 222202122213 its reverse (312221202222), we get a palindrome (534423324435).

The spelling of 222202122213 in words is "two hundred twenty-two billion, two hundred two million, one hundred twenty-two thousand, two hundred thirteen".