1322737272 has 96 divisors (see below), whose sum is σ = 3696760080. Its totient is φ = 426954240.

The previous prime is 1322737259. The next prime is 1322737277. The reversal of 1322737272 is 2727372231.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322737277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 619647 + ... + 621777.

Almost surely, 2^1322737272 is an apocalyptic number.

1322737272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1322737272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1848380040).

1322737272 is an abundant number, since it is smaller than the sum of its proper divisors (2374022808).

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

1322737272 is a wasteful number, since it uses less digits than its factorization.

1322737272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413 (or 2406 counting only the distinct ones).

The product of its digits is 49392, while the sum is 36.

The square root of 1322737272 is about 36369.4552062579. The cubic root of 1322737272 is about 1097.7190398612.

The spelling of 1322737272 in words is "one billion, three hundred twenty-two million, seven hundred thirty-seven thousand, two hundred seventy-two".