82822643 has 2 divisors, whose sum is σ = 82822644. Its totient is φ = 82822642.

The previous prime is 82822631. The next prime is 82822651. The reversal of 82822643 is 34622828.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82822643 - 2⁴ = 82822627 is a prime.

It is not a weakly prime, because it can be changed into another prime (82822673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41411321 + 41411322.

It is an arithmetic number, because the mean of its divisors is an integer number (41411322).

Almost surely, 2^82822643 is an apocalyptic number.

82822643 is a deficient number, since it is larger than the sum of its proper divisors (1).

82822643 is an equidigital number, since it uses as much as digits as its factorization.

82822643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 35.

The square root of 82822643 is about 9100.6946438170. The cubic root of 82822643 is about 435.8961452692.

The spelling of 82822643 in words is "eighty-two million, eight hundred twenty-two thousand, six hundred forty-three".