87224207 has 8 divisors (see below), whose sum is σ = 102379296. Its totient is φ = 72742752.

The previous prime is 87224191. The next prime is 87224209. The reversal of 87224207 is 70242278.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87224207 - 2⁴ = 87224191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87224209) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 168128 + ... + 168645.

It is an arithmetic number, because the mean of its divisors is an integer number (12797412).

Almost surely, 2^87224207 is an apocalyptic number.

87224207 is a deficient number, since it is larger than the sum of its proper divisors (15155089).

87224207 is a wasteful number, since it uses less digits than its factorization.

87224207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336817.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 87224207 is about 9339.3900764450. The cubic root of 87224207 is about 443.4850762272.

The spelling of 87224207 in words is "eighty-seven million, two hundred twenty-four thousand, two hundred seven".