1322144312 has 16 divisors (see below), whose sum is σ = 2484405000. Its totient is φ = 659636320.

The previous prime is 1322144311. The next prime is 1322144333. The reversal of 1322144312 is 2134412231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322144311) 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, 175562 + ... + 182937.

Almost surely, 2^1322144312 is an apocalyptic number.

It is an amenable number.

1322144312 is a deficient number, since it is larger than the sum of its proper divisors (1162260688).

1322144312 is a wasteful number, since it uses less digits than its factorization.

1322144312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358966 (or 358962 counting only the distinct ones).

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

The square root of 1322144312 is about 36361.3023969164. The cubic root of 1322144312 is about 1097.5549859248.

Adding to 1322144312 its reverse (2134412231), we get a palindrome (3456556543).

The spelling of 1322144312 in words is "one billion, three hundred twenty-two million, one hundred forty-four thousand, three hundred twelve".