87224425 has 24 divisors (see below), whose sum is σ = 113430240. Its totient is φ = 66460800.

The previous prime is 87224413. The next prime is 87224447. The reversal of 87224425 is 52442278.

It is not a de Polignac number, because 87224425 - 2¹⁹ = 86700137 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43086 + ... + 45064.

It is an arithmetic number, because the mean of its divisors is an integer number (4726260).

Almost surely, 2^87224425 is an apocalyptic number.

It is an amenable number.

87224425 is a deficient number, since it is larger than the sum of its proper divisors (26205815).

87224425 is a wasteful number, since it uses less digits than its factorization.

87224425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073 (or 2068 counting only the distinct ones).

The product of its digits is 35840, while the sum is 34.

The square root of 87224425 is about 9339.4017474354. The cubic root of 87224425 is about 443.4854456953.

The spelling of 87224425 in words is "eighty-seven million, two hundred twenty-four thousand, four hundred twenty-five".