84225636 has 96 divisors (see below), whose sum is σ = 246005760. Its totient is φ = 24688800.

The previous prime is 84225619. The next prime is 84225671. The reversal of 84225636 is 63652248.

84225636 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

84225636 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 84225636.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 35685 + ... + 37971.

It is an arithmetic number, because the mean of its divisors is an integer number (2562560).

Almost surely, 2^84225636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84225636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123002880).

84225636 is an abundant number, since it is smaller than the sum of its proper divisors (161780124).

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

84225636 is a wasteful number, since it uses less digits than its factorization.

84225636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342 (or 2334 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 84225636 is about 9177.4525877283. The cubic root of 84225636 is about 438.3436972045.

The spelling of 84225636 in words is "eighty-four million, two hundred twenty-five thousand, six hundred thirty-six".