2281788864 has 42 divisors (see below), whose sum is σ = 6540337440. Its totient is φ = 760596096.

The previous prime is 2281788857. The next prime is 2281788889. The reversal of 2281788864 is 4688871822.

It is a self number, because there is not a number n which added to its sum of digits gives 2281788864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1980144 + ... + 1981295.

It is an arithmetic number, because the mean of its divisors is an integer number (155722320).

Almost surely, 2^2281788864 is an apocalyptic number.

2281788864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2281788864 is an abundant number, since it is smaller than the sum of its proper divisors (4258548576).

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

2281788864 is a wasteful number, since it uses less digits than its factorization.

2281788864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3961457 (or 3961444 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 54.

The square root of 2281788864 is about 47768.0736894424. The cubic root of 2281788864 is about 1316.5130004788.

The spelling of 2281788864 in words is "two billion, two hundred eighty-one million, seven hundred eighty-eight thousand, eight hundred sixty-four".