222202322213 has 6 divisors (see below), whose sum is σ = 232283335494. Its totient is φ = 212541351176.

The previous prime is 222202322183. The next prime is 222202322269. The reversal of 222202322213 is 312223202222.

It can be written as a sum of positive squares in only one way, i.e., 201379255009 + 20823067204 = 448753^2 + 144302^2 .

It is a de Polignac number, because none of the positive numbers 2^k-222202322213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222202322413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210020570 + ... + 210021627.

It is an arithmetic number, because the mean of its divisors is an integer number (38713889249).

Almost surely, 2^222202322213 is an apocalyptic number.

222202322213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

222202322213 is a deficient number, since it is larger than the sum of its proper divisors (10081013281).

222202322213 is an equidigital number, since it uses as much as digits as its factorization.

222202322213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420042243 (or 420042220 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 222202322213 its reverse (312223202222), we get a palindrome (534425524435).

The spelling of 222202322213 in words is "two hundred twenty-two billion, two hundred two million, three hundred twenty-two thousand, two hundred thirteen".