82245215 has 8 divisors (see below), whose sum is σ = 106286208. Its totient is φ = 60734880.

The previous prime is 82245203. The next prime is 82245223. The reversal of 82245215 is 51254228.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82245215 - 2⁴ = 82245199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632591 + ... + 632720.

It is an arithmetic number, because the mean of its divisors is an integer number (13285776).

Almost surely, 2^82245215 is an apocalyptic number.

82245215 is a deficient number, since it is larger than the sum of its proper divisors (24040993).

82245215 is a wasteful number, since it uses less digits than its factorization.

82245215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265329.

The product of its digits is 6400, while the sum is 29.

The square root of 82245215 is about 9068.9147641821. The cubic root of 82245215 is about 434.8807794125.

The spelling of 82245215 in words is "eighty-two million, two hundred forty-five thousand, two hundred fifteen".