3822728265 has 36 divisors (see below), whose sum is σ = 6846778692. Its totient is φ = 1972998720.

The previous prime is 3822728249. The next prime is 3822728279. The reversal of 3822728265 is 5628272283.

It is a happy number.

3822728265 is a `hidden beast` number, since 382 + 2 + 7 + 2 + 8 + 265 = 666.

3822728265 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1196883216 + 2625845049 = 34596^2 + 51243^2 .

It is not a de Polignac number, because 3822728265 - 2⁴ = 3822728249 is a prime.

It is a super-2 number, since 2×3822728265² = 29226502776059820450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3822728265.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 954 + ... + 87443.

It is an arithmetic number, because the mean of its divisors is an integer number (190188297).

Almost surely, 2^3822728265 is an apocalyptic number.

It is an amenable number.

3822728265 is a deficient number, since it is larger than the sum of its proper divisors (3024050427).

3822728265 is a wasteful number, since it uses less digits than its factorization.

3822728265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88470 (or 88436 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 3822728265 is about 61828.2157675604. The cubic root of 3822728265 is about 1563.5957305348.

The spelling of 3822728265 in words is "three billion, eight hundred twenty-two million, seven hundred twenty-eight thousand, two hundred sixty-five".