84771222 has 8 divisors (see below), whose sum is σ = 169542456. Its totient is φ = 28257072.

The previous prime is 84771209. The next prime is 84771227. The reversal of 84771222 is 22217748.

It is a sphenic number, since it is the product of 3 distinct primes.

84771222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84771227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7064263 + ... + 7064274.

It is an arithmetic number, because the mean of its divisors is an integer number (21192807).

Almost surely, 2^84771222 is an apocalyptic number.

84771222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84771222 is a wasteful number, since it uses less digits than its factorization.

84771222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14128542.

The product of its digits is 12544, while the sum is 33.

The square root of 84771222 is about 9207.1288684367. The cubic root of 84771222 is about 439.2881430156.

The spelling of 84771222 in words is "eighty-four million, seven hundred seventy-one thousand, two hundred twenty-two".