82475224 has 48 divisors (see below), whose sum is σ = 170629200. Its totient is φ = 37151808.

The previous prime is 82475213. The next prime is 82475227. The reversal of 82475224 is 42257428.

It is a hoax number, since the sum of its digits (34) 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 82475224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82475227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229557 + ... + 229915.

It is an arithmetic number, because the mean of its divisors is an integer number (3554775).

Almost surely, 2^82475224 is an apocalyptic number.

82475224 is the 5744-th heptagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82475224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85314600).

82475224 is an abundant number, since it is smaller than the sum of its proper divisors (88153976).

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

82475224 is a wasteful number, since it uses less digits than its factorization.

82475224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 421 counting only the distinct ones).

The product of its digits is 35840, while the sum is 34.

The square root of 82475224 is about 9081.5870859669. The cubic root of 82475224 is about 435.2858015255.

The spelling of 82475224 in words is "eighty-two million, four hundred seventy-five thousand, two hundred twenty-four".