84225558 has 8 divisors (see below), whose sum is σ = 168451128. Its totient is φ = 28075184.

The previous prime is 84225553. The next prime is 84225593. The reversal of 84225558 is 85552248.

It is a sphenic number, since it is the product of 3 distinct primes.

84225558 is an admirable number.

It is a super-3 number, since 3×84225558³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84225553) 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, 7018791 + ... + 7018802.

It is an arithmetic number, because the mean of its divisors is an integer number (21056391).

Almost surely, 2^84225558 is an apocalyptic number.

84225558 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

84225558 is a wasteful number, since it uses less digits than its factorization.

84225558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14037598.

The product of its digits is 128000, while the sum is 39.

The square root of 84225558 is about 9177.4483381820. The cubic root of 84225558 is about 438.3435618901.

The spelling of 84225558 in words is "eighty-four million, two hundred twenty-five thousand, five hundred fifty-eight".