2247617440 has 96 divisors (see below), whose sum is σ = 5415379200. Its totient is φ = 881362944.

The previous prime is 2247617399. The next prime is 2247617453. The reversal of 2247617440 is 447167422.

It is a self number, because there is not a number n which added to its sum of digits gives 2247617440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2323837 + ... + 2324803.

It is an arithmetic number, because the mean of its divisors is an integer number (56410200).

Almost surely, 2^2247617440 is an apocalyptic number.

2247617440 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 2247617440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2707689600).

2247617440 is an abundant number, since it is smaller than the sum of its proper divisors (3167761760).

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

2247617440 is a wasteful number, since it uses less digits than its factorization.

2247617440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254 (or 1246 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 2247617440 is about 47409.0438629593. The cubic root of 2247617440 is about 1309.9080097788.

The spelling of 2247617440 in words is "two billion, two hundred forty-seven million, six hundred seventeen thousand, four hundred forty".