84225480 has 256 divisors, whose sum is σ = 293932800. Its totient is φ = 19169280.

The previous prime is 84225413. The next prime is 84225553. The reversal of 84225480 is 8452248.

It is a happy 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 63 ways as a sum of consecutive naturals, for example, 1589134 + ... + 1589186.

It is an arithmetic number, because the mean of its divisors is an integer number (1148175).

Almost surely, 2^84225480 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 84225480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146966400).

84225480 is an abundant number, since it is smaller than the sum of its proper divisors (209707320).

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

84225480 is a wasteful number, since it uses less digits than its factorization.

84225480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 84225480 is about 9177.4440886338. Note that the first 3 decimals coincide. The cubic root of 84225480 is about 438.3434265757.

The spelling of 84225480 in words is "eighty-four million, two hundred twenty-five thousand, four hundred eighty".