84522311 has 2 divisors, whose sum is σ = 84522312. Its totient is φ = 84522310.

The previous prime is 84522307. The next prime is 84522313. The reversal of 84522311 is 11322548.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84522311 - 2² = 84522307 is a prime.

Together with 84522313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84522313) 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 as a sum of consecutive naturals, namely, 42261155 + 42261156.

It is an arithmetic number, because the mean of its divisors is an integer number (42261156).

Almost surely, 2^84522311 is an apocalyptic number.

84522311 is a deficient number, since it is larger than the sum of its proper divisors (1).

84522311 is an equidigital number, since it uses as much as digits as its factorization.

84522311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 26.

The square root of 84522311 is about 9193.6016337451. The cubic root of 84522311 is about 438.8577656460.

Adding to 84522311 its reverse (11322548), we get a palindrome (95844859).

The spelling of 84522311 in words is "eighty-four million, five hundred twenty-two thousand, three hundred eleven".