2281486765 has 8 divisors (see below), whose sum is σ = 2740662648. Its totient is φ = 1823270400.

The previous prime is 2281486729. The next prime is 2281486789. The reversal of 2281486765 is 5676841822.

It can be written as a sum of positive squares in 4 ways, for example, as 223412809 + 2058073956 = 14947^2 + 45366^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2281486765 - 2¹⁷ = 2281355693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234636 + ... + 244165.

It is an arithmetic number, because the mean of its divisors is an integer number (342582831).

Almost surely, 2^2281486765 is an apocalyptic number.

It is an amenable number.

2281486765 is a deficient number, since it is larger than the sum of its proper divisors (459175883).

2281486765 is an equidigital number, since it uses as much as digits as its factorization.

2281486765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479759.

The product of its digits is 1290240, while the sum is 49.

The square root of 2281486765 is about 47764.9114413499. The cubic root of 2281486765 is about 1316.4548977010.

The spelling of 2281486765 in words is "two billion, two hundred eighty-one million, four hundred eighty-six thousand, seven hundred sixty-five".