12222022033 has 6 divisors (see below), whose sum is σ = 13234497414. Its totient is φ = 11281866336.

The previous prime is 12222022009. The next prime is 12222022039. The reversal of 12222022033 is 33022022221.

It can be written as a sum of positive squares in 3 ways, for example, as 1446128784 + 10775893249 = 38028^2 + 103807^2 .

It is not a de Polignac number, because 12222022033 - 2⁹ = 12222021521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12222022033.

It is not an unprimeable number, because it can be changed into a prime (12222022039) 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, 36159660 + ... + 36159997.

It is an arithmetic number, because the mean of its divisors is an integer number (2205749569).

Almost surely, 2^12222022033 is an apocalyptic number.

12222022033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12222022033 is a deficient number, since it is larger than the sum of its proper divisors (1012475381).

12222022033 is an equidigital number, since it uses as much as digits as its factorization.

12222022033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72319683 (or 72319670 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 12222022033 its reverse (33022022221), we get a palindrome (45244044254).

The spelling of 12222022033 in words is "twelve billion, two hundred twenty-two million, twenty-two thousand, thirty-three".