225802579 has 4 divisors (see below), whose sum is σ = 228523176. Its totient is φ = 223081984.

The previous prime is 225802567. The next prime is 225802607. The reversal of 225802579 is 975208522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225802579 - 2²³ = 217413971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225802519) 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 3 ways as a sum of consecutive naturals, for example, 1360174 + ... + 1360339.

It is an arithmetic number, because the mean of its divisors is an integer number (57130794).

Almost surely, 2^225802579 is an apocalyptic number.

225802579 is a deficient number, since it is larger than the sum of its proper divisors (2720597).

225802579 is an equidigital number, since it uses as much as digits as its factorization.

225802579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720596.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 225802579 is about 15026.7288190078. The cubic root of 225802579 is about 608.9425188166.

The spelling of 225802579 in words is "two hundred twenty-five million, eight hundred two thousand, five hundred seventy-nine".