82212033 has 4 divisors (see below), whose sum is σ = 109616048. Its totient is φ = 54808020.

The previous prime is 82212029. The next prime is 82212043. The reversal of 82212033 is 33021228.

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 not a de Polignac number, because 82212033 - 2² = 82212029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82212023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13702003 + ... + 13702008.

It is an arithmetic number, because the mean of its divisors is an integer number (27404012).

Almost surely, 2^82212033 is an apocalyptic number.

It is an amenable number.

82212033 is a deficient number, since it is larger than the sum of its proper divisors (27404015).

82212033 is a wasteful number, since it uses less digits than its factorization.

82212033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27404014.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 82212033 is about 9067.0851435288. The cubic root of 82212033 is about 434.8222870326.

The spelling of 82212033 in words is "eighty-two million, two hundred twelve thousand, thirty-three".