82226718 has 96 divisors (see below), whose sum is σ = 221894400. Its totient is φ = 22048848.

The previous prime is 82226659. The next prime is 82226741. The reversal of 82226718 is 81762228.

It is a happy number.

It is a super-2 number, since 2×82226718² = 13522466306103048, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 768421 + ... + 768527.

It is an arithmetic number, because the mean of its divisors is an integer number (2311400).

Almost surely, 2^82226718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82226718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110947200).

82226718 is an abundant number, since it is smaller than the sum of its proper divisors (139667682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82226718 is a wasteful number, since it uses less digits than its factorization.

82226718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 138 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 82226718 is about 9067.8949045520. The cubic root of 82226718 is about 434.8481753156.

It can be divided in two parts, 82226 and 718, that added together give a square (82944 = 288²).

The spelling of 82226718 in words is "eighty-two million, two hundred twenty-six thousand, seven hundred eighteen".