82231223 has 4 divisors (see below), whose sum is σ = 82265088. Its totient is φ = 82197360.

The previous prime is 82231181. The next prime is 82231243. The reversal of 82231223 is 32213228.

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

It is a cyclic number.

It is not a de Polignac number, because 82231223 - 2¹⁰ = 82230199 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 (82231243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12983 + ... + 18248.

It is an arithmetic number, because the mean of its divisors is an integer number (20566272).

Almost surely, 2^82231223 is an apocalyptic number.

82231223 is a deficient number, since it is larger than the sum of its proper divisors (33865).

82231223 is a wasteful number, since it uses less digits than its factorization.

82231223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33864.

The product of its digits is 1152, while the sum is 23.

The square root of 82231223 is about 9068.1433049991. The cubic root of 82231223 is about 434.8561165919.

The spelling of 82231223 in words is "eighty-two million, two hundred thirty-one thousand, two hundred twenty-three".