2281913718 has 64 divisors (see below), whose sum is σ = 5523517440. Its totient is φ = 613926432.

The previous prime is 2281913717. The next prime is 2281913719. The reversal of 2281913718 is 8173191822.

It is an interprime number because it is at equal distance from previous prime (2281913717) and next prime (2281913719).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 2281913718.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281913717) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124705 + ... + 141827.

It is an arithmetic number, because the mean of its divisors is an integer number (86304960).

Almost surely, 2^2281913718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2281913718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2761758720).

2281913718 is an abundant number, since it is smaller than the sum of its proper divisors (3241603722).

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

2281913718 is a wasteful number, since it uses less digits than its factorization.

2281913718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17321.

The product of its digits is 48384, while the sum is 42.

The square root of 2281913718 is about 47769.3805486318. The cubic root of 2281913718 is about 1316.5370121828.

It can be divided in two parts, 228 and 1913718, that added together give a triangular number (1913946 = T₁₉₅₆).

The spelling of 2281913718 in words is "two billion, two hundred eighty-one million, nine hundred thirteen thousand, seven hundred eighteen".