222221213323 has 4 divisors (see below), whose sum is σ = 222223650120. Its totient is φ = 222218776528.

The previous prime is 222221213321. The next prime is 222221213419. The reversal of 222221213323 is 323312122222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323312122222 = 2 ⋅161656061111.

It is a cyclic number.

It is not a de Polignac number, because 222221213323 - 2¹ = 222221213321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222221213321) 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, 1076065 + ... + 1265842.

It is an arithmetic number, because the mean of its divisors is an integer number (55555912530).

Almost surely, 2^222221213323 is an apocalyptic number.

222221213323 is a deficient number, since it is larger than the sum of its proper divisors (2436797).

222221213323 is an equidigital number, since it uses as much as digits as its factorization.

222221213323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436796.

The product of its digits is 3456, while the sum is 25.

Adding to 222221213323 its reverse (323312122222), we get a palindrome (545533335545).

The spelling of 222221213323 in words is "two hundred twenty-two billion, two hundred twenty-one million, two hundred thirteen thousand, three hundred twenty-three".