2232440 has 96 divisors (see below), whose sum is σ = 6279120. Its totient is φ = 709632.

The previous prime is 2232437. The next prime is 2232463. The reversal of 2232440 is 442322.

2232440 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2232440³ = 33378025416332352000, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33287 + ... + 33353.

2^2232440 is an apocalyptic number.

2232440 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 2232440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3139560).

2232440 is an abundant number, since it is smaller than the sum of its proper divisors (4046680).

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

2232440 is a wasteful number, since it uses less digits than its factorization.

2232440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 2232440 is about 1494.1352013790. The cubic root of 2232440 is about 130.6952885147.

Adding to 2232440 its reverse (442322), we get a palindrome (2674762).

The spelling of 2232440 in words is "two million, two hundred thirty-two thousand, four hundred forty".