1322222312 has 16 divisors (see below), whose sum is σ = 2609649600. Its totient is φ = 626315760.

The previous prime is 1322222303. The next prime is 1322222327. The reversal of 1322222312 is 2132222231.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4349264 + ... + 4349567.

It is an arithmetic number, because the mean of its divisors is an integer number (163103100).

Almost surely, 2^1322222312 is an apocalyptic number.

It is an amenable number.

1322222312 is a deficient number, since it is larger than the sum of its proper divisors (1287427288).

1322222312 is a wasteful number, since it uses less digits than its factorization.

1322222312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8698856 (or 8698852 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 1322222312 is about 36362.3749499397. The cubic root of 1322222312 is about 1097.5765689458.

Adding to 1322222312 its reverse (2132222231), we get a palindrome (3454444543).

It can be divided in two parts, 132222231 and 2, that multiplied together give a palindrome (264444462).

The spelling of 1322222312 in words is "one billion, three hundred twenty-two million, two hundred twenty-two thousand, three hundred twelve".