82233528221 has 8 divisors (see below), whose sum is σ = 88569791520. Its totient is φ = 75898780272.

The previous prime is 82233528173. The next prime is 82233528241. The reversal of 82233528221 is 12282533228.

It is a happy number.

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 82233528221 - 2¹⁴ = 82233511837 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 (82233528241) 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, 264851 + ... + 484368.

It is an arithmetic number, because the mean of its divisors is an integer number (11071223940).

Almost surely, 2^82233528221 is an apocalyptic number.

It is an amenable number.

82233528221 is a deficient number, since it is larger than the sum of its proper divisors (6336263299).

82233528221 is a wasteful number, since it uses less digits than its factorization.

82233528221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757675.

The product of its digits is 92160, while the sum is 38.

The spelling of 82233528221 in words is "eighty-two billion, two hundred thirty-three million, five hundred twenty-eight thousand, two hundred twenty-one".