82322645 has 4 divisors (see below), whose sum is σ = 98787180. Its totient is φ = 65858112.

The previous prime is 82322599. The next prime is 82322651. The reversal of 82322645 is 54622328.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35509681 + 46812964 = 5959^2 + 6842^2 .

It is a cyclic number.

It is not a de Polignac number, because 82322645 - 2⁸ = 82322389 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 8232260 + ... + 8232269.

It is an arithmetic number, because the mean of its divisors is an integer number (24696795).

Almost surely, 2^82322645 is an apocalyptic number.

It is an amenable number.

82322645 is a deficient number, since it is larger than the sum of its proper divisors (16464535).

82322645 is a wasteful number, since it uses less digits than its factorization.

82322645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16464534.

The product of its digits is 23040, while the sum is 32.

The square root of 82322645 is about 9073.1827381575. The cubic root of 82322645 is about 435.0172098709.

The spelling of 82322645 in words is "eighty-two million, three hundred twenty-two thousand, six hundred forty-five".