82230257 has 8 divisors (see below), whose sum is σ = 83869632. Its totient is φ = 80600400.

The previous prime is 82230251. The next prime is 82230289. The reversal of 82230257 is 75203228.

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 82230257 - 2¹⁰ = 82229233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82230251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16532 + ... + 20922.

It is an arithmetic number, because the mean of its divisors is an integer number (10483704).

Almost surely, 2^82230257 is an apocalyptic number.

It is an amenable number.

82230257 is a deficient number, since it is larger than the sum of its proper divisors (1639375).

82230257 is a wasteful number, since it uses less digits than its factorization.

82230257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4759.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 82230257 is about 9068.0900414586. The cubic root of 82230257 is about 434.8544137811.

The spelling of 82230257 in words is "eighty-two million, two hundred thirty thousand, two hundred fifty-seven".