1322355040 has 48 divisors (see below), whose sum is σ = 3127541760. Its totient is φ = 528353280.

The previous prime is 1322355037. The next prime is 1322355059. The reversal of 1322355040 is 405532231.

It is a junction number, because it is equal to n+sod(n) for n = 1322354996 and 1322355014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157345 + ... + 165535.

It is an arithmetic number, because the mean of its divisors is an integer number (65157120).

Almost surely, 2^1322355040 is an apocalyptic number.

1322355040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322355040 is an abundant number, since it is smaller than the sum of its proper divisors (1805186720).

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

1322355040 is a wasteful number, since it uses less digits than its factorization.

1322355040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9215 (or 9207 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1322355040 is about 36364.1999774503. The cubic root of 1322355040 is about 1097.6132935488.

Adding to 1322355040 its reverse (405532231), we get a palindrome (1727887271).

The spelling of 1322355040 in words is "one billion, three hundred twenty-two million, three hundred fifty-five thousand, forty".