82234321 has 16 divisors (see below), whose sum is σ = 94230864. Its totient is φ = 71092224.

The previous prime is 82234303. The next prime is 82234363. The reversal of 82234321 is 12343228.

It can be written as a sum of positive squares in 8 ways, for example, as 10595025 + 71639296 = 3255^2 + 8464^2 .

It is a cyclic number.

It is not a de Polignac number, because 82234321 - 2⁷ = 82234193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82234391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50695 + ... + 52291.

It is an arithmetic number, because the mean of its divisors is an integer number (5889429).

Almost surely, 2^82234321 is an apocalyptic number.

It is an amenable number.

82234321 is a deficient number, since it is larger than the sum of its proper divisors (11996543).

82234321 is a wasteful number, since it uses less digits than its factorization.

82234321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860.

The product of its digits is 2304, while the sum is 25.

The square root of 82234321 is about 9068.3141211584. The cubic root of 82234321 is about 434.8615774833.

Adding to 82234321 its reverse (12343228), we get a palindrome (94577549).

It can be divided in two parts, 8223 and 4321, that added together give a square (12544 = 112²).

The spelling of 82234321 in words is "eighty-two million, two hundred thirty-four thousand, three hundred twenty-one".