1322627944 has 64 divisors (see below), whose sum is σ = 2746074240. Its totient is φ = 592220160.

The previous prime is 1322627899. The next prime is 1322627959. The reversal of 1322627944 is 4497262231.

It is a junction number, because it is equal to n+sod(n) for n = 1322627897 and 1322627906.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3054352 + ... + 3054784.

It is an arithmetic number, because the mean of its divisors is an integer number (42907410).

Almost surely, 2^1322627944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1322627944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1373037120).

1322627944 is an abundant number, since it is smaller than the sum of its proper divisors (1423446296).

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

1322627944 is a wasteful number, since it uses less digits than its factorization.

1322627944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890 (or 886 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 1322627944 is about 36367.9521557098. The cubic root of 1322627944 is about 1097.6887958270.

The spelling of 1322627944 in words is "one billion, three hundred twenty-two million, six hundred twenty-seven thousand, nine hundred forty-four".