3122322440 has 64 divisors (see below), whose sum is σ = 7463016000. Its totient is φ = 1172309760.

The previous prime is 3122322419. The next prime is 3122322457. The reversal of 3122322440 is 442232213.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63995 + ... + 101685.

It is an arithmetic number, because the mean of its divisors is an integer number (116609625).

Almost surely, 2^3122322440 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 3122322440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3731508000).

3122322440 is an abundant number, since it is smaller than the sum of its proper divisors (4340693560).

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

3122322440 is a wasteful number, since it uses less digits than its factorization.

3122322440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37830 (or 37826 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 3122322440 is about 55877.7454806473. The cubic root of 3122322440 is about 1461.5911907022.

Adding to 3122322440 its reverse (442232213), we get a palindrome (3564554653).

The spelling of 3122322440 in words is "three billion, one hundred twenty-two million, three hundred twenty-two thousand, four hundred forty".