84422825 has 18 divisors (see below), whose sum is σ = 106124346. Its totient is φ = 66618240.

The previous prime is 84422809. The next prime is 84422839. The reversal of 84422825 is 52822448.

It can be written as a sum of positive squares in 9 ways, for example, as 35366809 + 49056016 = 5947^2 + 7004^2 .

It is not a de Polignac number, because 84422825 - 2⁴ = 84422809 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 537647 + ... + 537803.

It is an arithmetic number, because the mean of its divisors is an integer number (5895797).

Almost surely, 2^84422825 is an apocalyptic number.

It is an amenable number.

84422825 is a deficient number, since it is larger than the sum of its proper divisors (21701521).

84422825 is a wasteful number, since it uses less digits than its factorization.

84422825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 299 counting only the distinct ones).

The product of its digits is 40960, while the sum is 35.

The square root of 84422825 is about 9188.1894299149. The cubic root of 84422825 is about 438.6855139084.

The spelling of 84422825 in words is "eighty-four million, four hundred twenty-two thousand, eight hundred twenty-five".