82226444 has 12 divisors (see below), whose sum is σ = 144034464. Its totient is φ = 41073744.

The previous prime is 82226429. The next prime is 82226447. The reversal of 82226444 is 44462228.

It is a super-2 number, since 2×82226444² = 13522376185770272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 82226444.

It is not an unprimeable number, because it can be changed into a prime (82226447) 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, 4907 + ... + 13730.

It is an arithmetic number, because the mean of its divisors is an integer number (12002872).

Almost surely, 2^82226444 is an apocalyptic number.

It is an amenable number.

82226444 is a deficient number, since it is larger than the sum of its proper divisors (61808020).

82226444 is a wasteful number, since it uses less digits than its factorization.

82226444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19744 (or 19742 counting only the distinct ones).

The product of its digits is 24576, while the sum is 32.

The square root of 82226444 is about 9067.8797962920. The cubic root of 82226444 is about 434.8476923074.

The spelling of 82226444 in words is "eighty-two million, two hundred twenty-six thousand, four hundred forty-four".