2322540 has 192 divisors, whose sum is σ = 8709120. Its totient is φ = 506880.

The previous prime is 2322497. The next prime is 2322569. The reversal of 2322540 is 452232.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 100969 + ... + 100991.

It is an arithmetic number, because the mean of its divisors is an integer number (45360).

2^2322540 is an apocalyptic number.

2322540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2322540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4354560).

2322540 is an abundant number, since it is smaller than the sum of its proper divisors (6386580).

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

2322540 is a wasteful number, since it uses less digits than its factorization.

2322540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2322540 is about 1523.9881889306. The cubic root of 2322540 is about 132.4304132054.

Adding to 2322540 its reverse (452232), we get a palindrome (2774772).

It can be divided in two parts, 232 and 2540, that added together give a palindrome (2772).

The spelling of 2322540 in words is "two million, three hundred twenty-two thousand, five hundred forty".