82810227 has 16 divisors (see below), whose sum is σ = 116616960. Its totient is φ = 52124832.

The previous prime is 82810199. The next prime is 82810229. The reversal of 82810227 is 72201828.

It is a happy number.

It is not a de Polignac number, because 82810227 - 2¹² = 82806131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82810194 and 82810203.

It is not an unprimeable number, because it can be changed into a prime (82810229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15778 + ... + 20360.

It is an arithmetic number, because the mean of its divisors is an integer number (7288560).

Almost surely, 2^82810227 is an apocalyptic number.

82810227 is a deficient number, since it is larger than the sum of its proper divisors (33806733).

82810227 is a wasteful number, since it uses less digits than its factorization.

82810227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4922.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 82810227 is about 9100.0124725189. The cubic root of 82810227 is about 435.8743623493.

The spelling of 82810227 in words is "eighty-two million, eight hundred ten thousand, two hundred twenty-seven".