2322240 has 112 divisors (see below), whose sum is σ = 7680960. Its totient is φ = 593920.

The previous prime is 2322239. The next prime is 2322247. The reversal of 2322240 is 422232.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2322247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39331 + ... + 39389.

It is an arithmetic number, because the mean of its divisors is an integer number (68580).

2^2322240 is an apocalyptic number.

2322240 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 2322240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3840480).

2322240 is an abundant number, since it is smaller than the sum of its proper divisors (5358720).

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

2322240 is a wasteful number, since it uses less digits than its factorization.

2322240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 2322240 is about 1523.8897597924. The cubic root of 2322240 is about 132.4247109951.

Adding to 2322240 its reverse (422232), we get a palindrome (2744472).

The spelling of 2322240 in words is "two million, three hundred twenty-two thousand, two hundred forty".