1322272 has 24 divisors (see below), whose sum is σ = 2975616. Its totient is φ = 566592.

The previous prime is 1322261. The next prime is 1322281. The reversal of 1322272 is 2722231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2728 + ... + 3175.

It is an arithmetic number, because the mean of its divisors is an integer number (123984).

2^1322272 is an apocalyptic number.

It is an amenable number.

1322272 is an abundant number, since it is smaller than the sum of its proper divisors (1653344).

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

1322272 is an equidigital number, since it uses as much as digits as its factorization.

1322272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920 (or 5912 counting only the distinct ones).

The product of its digits is 336, while the sum is 19.

The square root of 1322272 is about 1149.9008652923. The cubic root of 1322272 is about 109.7590317441.

The spelling of 1322272 in words is "one million, three hundred twenty-two thousand, two hundred seventy-two".