84118225 has 12 divisors (see below), whose sum is σ = 109797040. Its totient is φ = 63752400.

The previous prime is 84118211. The next prime is 84118253. The reversal of 84118225 is 52281148.

It is not a de Polignac number, because 84118225 - 2⁹ = 84117713 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 88071 + ... + 89020.

Almost surely, 2^84118225 is an apocalyptic number.

It is an amenable number.

84118225 is a deficient number, since it is larger than the sum of its proper divisors (25678815).

84118225 is a wasteful number, since it uses less digits than its factorization.

84118225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177120 (or 177115 counting only the distinct ones).

The product of its digits is 5120, while the sum is 31.

The square root of 84118225 is about 9171.5988246325. The cubic root of 84118225 is about 438.1572814215.

It can be divided in two parts, 841 and 18225, that multiplied together give a square (15327225 = 3915²).

The spelling of 84118225 in words is "eighty-four million, one hundred eighteen thousand, two hundred twenty-five".