87225180 has 48 divisors (see below), whose sum is σ = 279121920. Its totient is φ = 19937088.

The previous prime is 87225161. The next prime is 87225197. The reversal of 87225180 is 8152278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103420 + ... + 104259.

It is an arithmetic number, because the mean of its divisors is an integer number (5815040).

Almost surely, 2^87225180 is an apocalyptic number.

It is an amenable number.

87225180 is an abundant number, since it is smaller than the sum of its proper divisors (191896740).

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

87225180 is a wasteful number, since it uses less digits than its factorization.

87225180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207698 (or 207696 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 87225180 is about 9339.4421674959. The cubic root of 87225180 is about 443.4867252701.

The spelling of 87225180 in words is "eighty-seven million, two hundred twenty-five thousand, one hundred eighty".