82234621 has 4 divisors (see below), whose sum is σ = 93982432. Its totient is φ = 70486812.

The previous prime is 82234583. The next prime is 82234651. The reversal of 82234621 is 12643228.

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 82234621 - 2¹³ = 82226429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82234621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82234651) 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 3 ways as a sum of consecutive naturals, for example, 5873895 + ... + 5873908.

It is an arithmetic number, because the mean of its divisors is an integer number (23495608).

Almost surely, 2^82234621 is an apocalyptic number.

It is an amenable number.

82234621 is a deficient number, since it is larger than the sum of its proper divisors (11747811).

82234621 is a wasteful number, since it uses less digits than its factorization.

82234621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11747810.

The product of its digits is 4608, while the sum is 28.

The square root of 82234621 is about 9068.3306622553. The cubic root of 82234621 is about 434.8621062905.

Adding to 82234621 its reverse (12643228), we get a palindrome (94877849).

The spelling of 82234621 in words is "eighty-two million, two hundred thirty-four thousand, six hundred twenty-one".