82322237 has 4 divisors (see below), whose sum is σ = 82386720. Its totient is φ = 82257756.

The previous prime is 82322189. The next prime is 82322249. The reversal of 82322237 is 73222328.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82322237 - 2¹⁸ = 82060093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82322437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30287 + ... + 32892.

It is an arithmetic number, because the mean of its divisors is an integer number (20596680).

Almost surely, 2^82322237 is an apocalyptic number.

It is an amenable number.

82322237 is a deficient number, since it is larger than the sum of its proper divisors (64483).

82322237 is a wasteful number, since it uses less digits than its factorization.

82322237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64482.

The product of its digits is 8064, while the sum is 29.

The square root of 82322237 is about 9073.1602542885. The cubic root of 82322237 is about 435.0164912055.

Subtracting from 82322237 its reverse (73222328), we obtain a palindrome (9099909).

The spelling of 82322237 in words is "eighty-two million, three hundred twenty-two thousand, two hundred thirty-seven".