87228245 has 16 divisors (see below), whose sum is σ = 114159360. Its totient is φ = 63595584.

The previous prime is 87228233. The next prime is 87228289. The reversal of 87228245 is 54282278.

It is a happy number.

It is not a de Polignac number, because 87228245 - 2⁸ = 87227989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87228199 and 87228208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3359 + ... + 13628.

It is an arithmetic number, because the mean of its divisors is an integer number (7134960).

Almost surely, 2^87228245 is an apocalyptic number.

It is an amenable number.

87228245 is a deficient number, since it is larger than the sum of its proper divisors (26931115).

87228245 is a wasteful number, since it uses less digits than its factorization.

87228245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17084.

The product of its digits is 71680, while the sum is 38.

The square root of 87228245 is about 9339.6062550838. The cubic root of 87228245 is about 443.4919197598.

The spelling of 87228245 in words is "eighty-seven million, two hundred twenty-eight thousand, two hundred forty-five".