2244002440 has 16 divisors (see below), whose sum is σ = 5049005580. Its totient is φ = 897600960.

The previous prime is 2244002399. The next prime is 2244002441. The reversal of 2244002440 is 442004422.

It can be written as a sum of positive squares in 2 ways, for example, as 2155002084 + 89000356 = 46422^2 + 9434^2 .

It is not an unprimeable number, because it can be changed into a prime (2244002441) 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, 28049991 + ... + 28050070.

Almost surely, 2^2244002440 is an apocalyptic number.

2244002440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2244002440 is an abundant number, since it is smaller than the sum of its proper divisors (2805003140).

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

2244002440 is a wasteful number, since it uses less digits than its factorization.

2244002440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56100072 (or 56100068 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 2244002440 is about 47370.9028835212. The cubic root of 2244002440 is about 1309.2053607788.

Adding to 2244002440 its reverse (442004422), we get a palindrome (2686006862).

The spelling of 2244002440 in words is "two billion, two hundred forty-four million, two thousand, four hundred forty".