82297213 has 8 divisors (see below), whose sum is σ = 85171680. Its totient is φ = 79457040.

The previous prime is 82297211. The next prime is 82297217. The reversal of 82297213 is 31279228.

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

It is a cyclic number.

It is not a de Polignac number, because 82297213 - 2¹ = 82297211 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 (82297211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3643 + ... + 13336.

It is an arithmetic number, because the mean of its divisors is an integer number (10646460).

Almost surely, 2^82297213 is an apocalyptic number.

It is an amenable number.

82297213 is a deficient number, since it is larger than the sum of its proper divisors (2874467).

82297213 is a wasteful number, since it uses less digits than its factorization.

82297213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17147.

The product of its digits is 12096, while the sum is 34.

The square root of 82297213 is about 9071.7811371307. The cubic root of 82297213 is about 434.9724085199.

The spelling of 82297213 in words is "eighty-two million, two hundred ninety-seven thousand, two hundred thirteen".