82228112 has 10 divisors (see below), whose sum is σ = 159316998. Its totient is φ = 41114048.

The previous prime is 82228103. The next prime is 82228117. The reversal of 82228112 is 21182228.

It can be written as a sum of positive squares in only one way, i.e., 78783376 + 3444736 = 8876^2 + 1856^2 .

It is a super-2 number, since 2×82228112² = 13522924806169088, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (82228117) 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 as a sum of consecutive naturals, namely, 2569613 + ... + 2569644.

Almost surely, 2^82228112 is an apocalyptic number.

It is an amenable number.

82228112 is a deficient number, since it is larger than the sum of its proper divisors (77088886).

82228112 is a wasteful number, since it uses less digits than its factorization.

82228112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5139265 (or 5139259 counting only the distinct ones).

The product of its digits is 1024, while the sum is 26.

The square root of 82228112 is about 9067.9717688136. The cubic root of 82228112 is about 434.8506326472.

The spelling of 82228112 in words is "eighty-two million, two hundred twenty-eight thousand, one hundred twelve".