82255816 has 32 divisors (see below), whose sum is σ = 158974200. Its totient is φ = 39882240.

The previous prime is 82255801. The next prime is 82255819. The reversal of 82255816 is 61855228.

It can be written as a sum of positive squares in 4 ways, for example, as 64866916 + 17388900 = 8054^2 + 4170^2 .

It is a super-3 number, since 3×82255816³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (82255819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34470 + ... + 36778.

Almost surely, 2^82255816 is an apocalyptic number.

It is an amenable number.

82255816 is a deficient number, since it is larger than the sum of its proper divisors (76718384).

82255816 is a wasteful number, since it uses less digits than its factorization.

82255816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449 (or 2445 counting only the distinct ones).

The product of its digits is 38400, while the sum is 37.

The square root of 82255816 is about 9069.4992143999. The cubic root of 82255816 is about 434.8994632678.

It can be divided in two parts, 8225 and 5816, that added together give a palindrome (14041).

The spelling of 82255816 in words is "eighty-two million, two hundred fifty-five thousand, eight hundred sixteen".