84822271 has 2 divisors, whose sum is σ = 84822272. Its totient is φ = 84822270.

The previous prime is 84822259. The next prime is 84822337. The reversal of 84822271 is 17222848.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84822271 - 2⁵ = 84822239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84822371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42411135 + 42411136.

It is an arithmetic number, because the mean of its divisors is an integer number (42411136).

Almost surely, 2^84822271 is an apocalyptic number.

84822271 is a deficient number, since it is larger than the sum of its proper divisors (1).

84822271 is an equidigital number, since it uses as much as digits as its factorization.

84822271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14336, while the sum is 34.

The square root of 84822271 is about 9209.9007052194. The cubic root of 84822271 is about 439.3763046972.

The spelling of 84822271 in words is "eighty-four million, eight hundred twenty-two thousand, two hundred seventy-one".