2202540440 has 64 divisors (see below), whose sum is σ = 5122612800. Its totient is φ = 851655168.

The previous prime is 2202540433. The next prime is 2202540497. The reversal of 2202540440 is 440452022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227621 + ... + 237099.

It is an arithmetic number, because the mean of its divisors is an integer number (80040825).

Almost surely, 2^2202540440 is an apocalyptic number.

2202540440 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 2202540440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2561306400).

2202540440 is an abundant number, since it is smaller than the sum of its proper divisors (2920072360).

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

2202540440 is a wasteful number, since it uses less digits than its factorization.

2202540440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9684 (or 9680 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 2202540440 is about 46931.2309661701. The cubic root of 2202540440 is about 1301.0918716335.

Adding to 2202540440 its reverse (440452022), we get a palindrome (2642992462).

The spelling of 2202540440 in words is "two billion, two hundred two million, five hundred forty thousand, four hundred forty".