84685422 has 16 divisors (see below), whose sum is σ = 169660800. Its totient is φ = 28180152.

The previous prime is 84685421. The next prime is 84685439. The reversal of 84685422 is 22458648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84685421) 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, 8188 + ... + 15375.

It is an arithmetic number, because the mean of its divisors is an integer number (10603800).

Almost surely, 2^84685422 is an apocalyptic number.

84685422 is an abundant number, since it is smaller than the sum of its proper divisors (84975378).

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

84685422 is a wasteful number, since it uses less digits than its factorization.

84685422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24167.

The product of its digits is 122880, while the sum is 39.

The square root of 84685422 is about 9202.4682558540. The cubic root of 84685422 is about 439.1398865474.

It can be divided in two parts, 846 and 85422, that added together give a palindrome (86268).

The spelling of 84685422 in words is "eighty-four million, six hundred eighty-five thousand, four hundred twenty-two".