322413940 has 12 divisors (see below), whose sum is σ = 677069316. Its totient is φ = 128965568.

The previous prime is 322413929. The next prime is 322413947. The reversal of 322413940 is 49314223.

It can be written as a sum of positive squares in 2 ways, for example, as 172449424 + 149964516 = 13132^2 + 12246^2 .

It is a junction number, because it is equal to n+sod(n) for n = 322413899 and 322413908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322413947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8060329 + ... + 8060368.

It is an arithmetic number, because the mean of its divisors is an integer number (56422443).

Almost surely, 2^322413940 is an apocalyptic number.

It is an amenable number.

322413940 is an abundant number, since it is smaller than the sum of its proper divisors (354655376).

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

322413940 is a wasteful number, since it uses less digits than its factorization.

322413940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16120706 (or 16120704 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 322413940 is about 17955.8887276570. Note that the first 3 decimals coincide. The cubic root of 322413940 is about 685.7059800168.

The spelling of 322413940 in words is "three hundred twenty-two million, four hundred thirteen thousand, nine hundred forty".