225170793 has 16 divisors (see below), whose sum is σ = 334736640. Its totient is φ = 149596272.

The previous prime is 225170779. The next prime is 225170821. The reversal of 225170793 is 397071522.

It is not a de Polignac number, because 225170793 - 2¹³ = 225162601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225170753) 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 15 ways as a sum of consecutive naturals, for example, 6321 + ... + 22142.

It is an arithmetic number, because the mean of its divisors is an integer number (20921040).

Almost surely, 2^225170793 is an apocalyptic number.

It is an amenable number.

225170793 is a deficient number, since it is larger than the sum of its proper divisors (109565847).

225170793 is a wasteful number, since it uses less digits than its factorization.

225170793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28765 (or 28759 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 225170793 is about 15005.6920200303. The cubic root of 225170793 is about 608.3740565637.

Adding to 225170793 its product of nonzero digits (26460), we get a triangular number (225197253 = T₂₁₂₂₂).

The spelling of 225170793 in words is "two hundred twenty-five million, one hundred seventy thousand, seven hundred ninety-three".