322055240 has 64 divisors (see below), whose sum is σ = 784652400. Its totient is φ = 118259712.

The previous prime is 322055213. The next prime is 322055257. The reversal of 322055240 is 42550223.

It can be written as a sum of positive squares in 8 ways, for example, as 52504516 + 269550724 = 7246^2 + 16418^2 .

It is a super-2 number, since 2×322055240² = 207439155222915200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98756 + ... + 101964.

Almost surely, 2^322055240 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 322055240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392326200).

322055240 is an abundant number, since it is smaller than the sum of its proper divisors (462597160).

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

322055240 is a wasteful number, since it uses less digits than its factorization.

322055240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3426 (or 3422 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 322055240 is about 17945.8975813415. The cubic root of 322055240 is about 685.4515927465.

The spelling of 322055240 in words is "three hundred twenty-two million, fifty-five thousand, two hundred forty".