2240568 has 128 divisors (see below), whose sum is σ = 7257600. Its totient is φ = 633600.

The previous prime is 2240551. The next prime is 2240573. The reversal of 2240568 is 8650422.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 54628 + ... + 54668.

It is an arithmetic number, because the mean of its divisors is an integer number (56700).

2^2240568 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 2240568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3628800).

2240568 is an abundant number, since it is smaller than the sum of its proper divisors (5017032).

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

2240568 is a wasteful number, since it uses less digits than its factorization.

2240568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2240568 is about 1496.8526981637. The cubic root of 2240568 is about 130.8537107923.

The spelling of 2240568 in words is "two million, two hundred forty thousand, five hundred sixty-eight".