2204583440 has 20 divisors (see below), whose sum is σ = 5125656684. Its totient is φ = 881833344.

The previous prime is 2204583431. The next prime is 2204583449. The reversal of 2204583440 is 443854022.

It is an interprime number because it is at equal distance from previous prime (2204583431) and next prime (2204583449).

It can be written as a sum of positive squares in 2 ways, for example, as 1539149824 + 665433616 = 39232^2 + 25796^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 2204583397 and 2204583406.

It is not an unprimeable number, because it can be changed into a prime (2204583449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13778567 + ... + 13778726.

Almost surely, 2^2204583440 is an apocalyptic number.

2204583440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2204583440 is an abundant number, since it is smaller than the sum of its proper divisors (2921073244).

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

2204583440 is a wasteful number, since it uses less digits than its factorization.

2204583440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27557306 (or 27557300 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 2204583440 is about 46952.9918109592. The cubic root of 2204583440 is about 1301.4940298574.

The spelling of 2204583440 in words is "two billion, two hundred four million, five hundred eighty-three thousand, four hundred forty".