2247440000 has 160 divisors (see below), whose sum is σ = 6028023540. Its totient is φ = 829440000.

The previous prime is 2247439991. The next prime is 2247440011. The reversal of 2247440000 is 447422.

It can be written as a sum of positive squares in 10 ways, for example, as 365268544 + 1882171456 = 19112^2 + 43384^2 .

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1038920 + ... + 1041080.

Almost surely, 2^2247440000 is an apocalyptic number.

2247440000 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 2247440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3014011770).

2247440000 is an abundant number, since it is smaller than the sum of its proper divisors (3780583540).

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

2247440000 is an equidigital number, since it uses as much as digits as its factorization.

2247440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208 (or 2181 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 2247440000 is about 47407.1724531215. The cubic root of 2247440000 is about 1309.8735382847.

Adding to 2247440000 its reverse (447422), we get a palindrome (2247887422).

The spelling of 2247440000 in words is "two billion, two hundred forty-seven million, four hundred forty thousand".