122311223222 has 4 divisors (see below), whose sum is σ = 183466834836. Its totient is φ = 61155611610.

The previous prime is 122311223213. The next prime is 122311223227. The reversal of 122311223222 is 222322113221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×122311223222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122311223227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30577805804 + ... + 30577805807.

It is an arithmetic number, because the mean of its divisors is an integer number (45866708709).

Almost surely, 2^122311223222 is an apocalyptic number.

122311223222 is a deficient number, since it is larger than the sum of its proper divisors (61155611614).

122311223222 is an equidigital number, since it uses as much as digits as its factorization.

122311223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61155611613.

The product of its digits is 1152, while the sum is 23.

Adding to 122311223222 its reverse (222322113221), we get a palindrome (344633336443).

The spelling of 122311223222 in words is "one hundred twenty-two billion, three hundred eleven million, two hundred twenty-three thousand, two hundred twenty-two".