12222311022 has 16 divisors (see below), whose sum is σ = 27160691280. Its totient is φ = 4074103656.

The previous prime is 12222310981. The next prime is 12222311033. The reversal of 12222311022 is 22011322221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12222310986 and 12222311004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113169493 + ... + 113169600.

It is an arithmetic number, because the mean of its divisors is an integer number (1697543205).

Almost surely, 2^12222311022 is an apocalyptic number.

12222311022 is an abundant number, since it is smaller than the sum of its proper divisors (14938380258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12222311022 is a wasteful number, since it uses less digits than its factorization.

12222311022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226339104 (or 226339098 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12222311022 its reverse (22011322221), we get a palindrome (34233633243).

The spelling of 12222311022 in words is "twelve billion, two hundred twenty-two million, three hundred eleven thousand, twenty-two".