82222244 has 24 divisors (see below), whose sum is σ = 156564408. Its totient is φ = 37555200.

The previous prime is 82222241. The next prime is 82222289. The reversal of 82222244 is 44222228.

It can be written as a sum of positive squares in 4 ways, for example, as 10176100 + 72046144 = 3190^2 + 8488^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (82222241) 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 7 ways as a sum of consecutive naturals, for example, 3107 + ... + 13194.

It is an arithmetic number, because the mean of its divisors is an integer number (6523517).

Almost surely, 2^82222244 is an apocalyptic number.

It is an amenable number.

82222244 is a deficient number, since it is larger than the sum of its proper divisors (74342164).

82222244 is a wasteful number, since it uses less digits than its factorization.

82222244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16415 (or 16413 counting only the distinct ones).

The product of its digits is 4096, while the sum is 26.

The square root of 82222244 is about 9067.6482066741. The cubic root of 82222244 is about 434.8402883981.

It can be divided in two parts, 8222224 and 4, that added together give a palindrome (8222228).

The spelling of 82222244 in words is "eighty-two million, two hundred twenty-two thousand, two hundred forty-four".