222322123213 has 4 divisors (see below), whose sum is σ = 222323099328. Its totient is φ = 222321147100.

The previous prime is 222322123207. The next prime is 222322123249. The reversal of 222322123213 is 312321223222.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 222322123213 - 2³⁷ = 84883169741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222322123273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55020 + ... + 669082.

It is an arithmetic number, because the mean of its divisors is an integer number (55580774832).

Almost surely, 2^222322123213 is an apocalyptic number.

It is an amenable number.

222322123213 is a deficient number, since it is larger than the sum of its proper divisors (976115).

222322123213 is an equidigital number, since it uses as much as digits as its factorization.

222322123213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976114.

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

Adding to 222322123213 its reverse (312321223222), we get a palindrome (534643346435).

The spelling of 222322123213 in words is "two hundred twenty-two billion, three hundred twenty-two million, one hundred twenty-three thousand, two hundred thirteen".