85472224 has 24 divisors (see below), whose sum is σ = 171035928. Its totient is φ = 42034560.

The previous prime is 85472201. The next prime is 85472227. The reversal of 85472224 is 42227458.

It is a self number, because there is not a number n which added to its sum of digits gives 85472224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85472227) 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, 19942 + ... + 23845.

It is an arithmetic number, because the mean of its divisors is an integer number (7126497).

Almost surely, 2^85472224 is an apocalyptic number.

It is an amenable number.

85472224 is an abundant number, since it is smaller than the sum of its proper divisors (85563704).

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

85472224 is a wasteful number, since it uses less digits than its factorization.

85472224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43858 (or 43850 counting only the distinct ones).

The product of its digits is 35840, while the sum is 34.

The square root of 85472224 is about 9245.1189283859. The cubic root of 85472224 is about 440.4956947944.

The spelling of 85472224 in words is "eighty-five million, four hundred seventy-two thousand, two hundred twenty-four".