220825317 has 8 divisors (see below), whose sum is σ = 300698496. Its totient is φ = 144084512.

The previous prime is 220825309. The next prime is 220825321. The reversal of 220825317 is 713528022.

220825317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 220825317 - 2³ = 220825309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220825337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782928 + ... + 783209.

It is an arithmetic number, because the mean of its divisors is an integer number (37587312).

Almost surely, 2^220825317 is an apocalyptic number.

It is an amenable number.

220825317 is a deficient number, since it is larger than the sum of its proper divisors (79873179).

220825317 is a wasteful number, since it uses less digits than its factorization.

220825317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566187.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 220825317 is about 14860.1923608007. The cubic root of 220825317 is about 604.4350229575.

The spelling of 220825317 in words is "two hundred twenty million, eight hundred twenty-five thousand, three hundred seventeen".