82247274 has 48 divisors (see below), whose sum is σ = 183306240. Its totient is φ = 26639520.

The previous prime is 82247237. The next prime is 82247281. The reversal of 82247274 is 47274228.

It is a super-3 number, since 3×82247274³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161332 + ... + 161840.

It is an arithmetic number, because the mean of its divisors is an integer number (3818880).

Almost surely, 2^82247274 is an apocalyptic number.

82247274 is an abundant number, since it is smaller than the sum of its proper divisors (101058966).

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

82247274 is a wasteful number, since it uses less digits than its factorization.

82247274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 752 counting only the distinct ones).

The product of its digits is 50176, while the sum is 36.

The square root of 82247274 is about 9069.0282831183. The cubic root of 82247274 is about 434.8844084466.

The spelling of 82247274 in words is "eighty-two million, two hundred forty-seven thousand, two hundred seventy-four".