1322755149 has 12 divisors (see below), whose sum is σ = 1781657696. Its totient is φ = 872853168.

The previous prime is 1322755141. The next prime is 1322755153. The reversal of 1322755149 is 9415572231.

It is not a de Polignac number, because 1322755149 - 2³ = 1322755141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322755141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 638287 + ... + 640355.

Almost surely, 2^1322755149 is an apocalyptic number.

It is an amenable number.

1322755149 is a deficient number, since it is larger than the sum of its proper divisors (458902547).

1322755149 is an frugal number, since it uses more digits than its factorization.

1322755149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4244 (or 2175 counting only the distinct ones).

The product of its digits is 75600, while the sum is 39.

The square root of 1322755149 is about 36369.7009748499. The cubic root of 1322755149 is about 1097.7239851201.

The spelling of 1322755149 in words is "one billion, three hundred twenty-two million, seven hundred fifty-five thousand, one hundred forty-nine".