2232240 has 80 divisors (see below), whose sum is σ = 7070976. Its totient is φ = 582400.

The previous prime is 2232229. The next prime is 2232257. The reversal of 2232240 is 422322.

2232240 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×2232240³ = 33369055400950272000, which contains 333 as substring.

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

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, 16975 + ... + 17105.

2^2232240 is an apocalyptic number.

2232240 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 2232240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3535488).

2232240 is an abundant number, since it is smaller than the sum of its proper divisors (4838736).

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

2232240 is a wasteful number, since it uses less digits than its factorization.

2232240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 212 counting only the distinct ones).

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

The square root of 2232240 is about 1494.0682715325. The cubic root of 2232240 is about 130.6913854850.

Adding to 2232240 its reverse (422322), we get a palindrome (2654562).

The spelling of 2232240 in words is "two million, two hundred thirty-two thousand, two hundred forty".