84855224 has 16 divisors (see below), whose sum is σ = 161345520. Its totient is φ = 41829760.

The previous prime is 84855223. The next prime is 84855229. The reversal of 84855224 is 42255848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84855223) 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 in 3 ways as a sum of consecutive naturals, for example, 74129 + ... + 75264.

It is an arithmetic number, because the mean of its divisors is an integer number (10084095).

Almost surely, 2^84855224 is an apocalyptic number.

It is an amenable number.

84855224 is a deficient number, since it is larger than the sum of its proper divisors (76490296).

84855224 is a wasteful number, since it uses less digits than its factorization.

84855224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149470 (or 149466 counting only the distinct ones).

The product of its digits is 102400, while the sum is 38.

The square root of 84855224 is about 9211.6895301568. The cubic root of 84855224 is about 439.4331957810.

The spelling of 84855224 in words is "eighty-four million, eight hundred fifty-five thousand, two hundred twenty-four".