82204443 has 8 divisors (see below), whose sum is σ = 121784400. Its totient is φ = 54802944.

The previous prime is 82204427. The next prime is 82204471. The reversal of 82204443 is 34440228.

It is a happy number.

It is not a de Polignac number, because 82204443 - 2⁴ = 82204427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3044609 = 82204443 / (8 + 2 + 2 + 0 + 4 + 4 + 4 + 3).

It is not an unprimeable number, because it can be changed into a prime (82204483) 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, 1522278 + ... + 1522331.

It is an arithmetic number, because the mean of its divisors is an integer number (15223050).

Almost surely, 2^82204443 is an apocalyptic number.

82204443 is a deficient number, since it is larger than the sum of its proper divisors (39579957).

82204443 is a wasteful number, since it uses less digits than its factorization.

82204443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044618 (or 3044612 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 82204443 is about 9066.6665870098. Note that the first 3 decimals coincide. The cubic root of 82204443 is about 434.8089053633.

The spelling of 82204443 in words is "eighty-two million, two hundred four thousand, four hundred forty-three".