82227227 has 4 divisors (see below), whose sum is σ = 82508160. Its totient is φ = 81946296.

The previous prime is 82227217. The next prime is 82227239. The reversal of 82227227 is 72272228.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82227227 - 2⁶ = 82227163 is a prime.

It is a super-2 number, since 2×82227227² = 13522633720219058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82227193 and 82227202.

It is not an unprimeable number, because it can be changed into a prime (82227217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140027 + ... + 140612.

It is an arithmetic number, because the mean of its divisors is an integer number (20627040).

Almost surely, 2^82227227 is an apocalyptic number.

82227227 is a deficient number, since it is larger than the sum of its proper divisors (280933).

82227227 is a wasteful number, since it uses less digits than its factorization.

82227227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280932.

The product of its digits is 12544, while the sum is 32.

The square root of 82227227 is about 9067.9229705595. The cubic root of 82227227 is about 434.8490725798.

The spelling of 82227227 in words is "eighty-two million, two hundred twenty-seven thousand, two hundred twenty-seven".