225191679 has 8 divisors (see below), whose sum is σ = 301222272. Its totient is φ = 149644440.

The previous prime is 225191677. The next prime is 225191713. The reversal of 225191679 is 976191522.

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

It is not a de Polignac number, because 225191679 - 2¹ = 225191677 is a prime.

It is a super-2 number, since 2×225191679² = 101422584581678082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 225191679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225191671) 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, 119749 + ... + 121614.

It is an arithmetic number, because the mean of its divisors is an integer number (37652784).

Almost surely, 2^225191679 is an apocalyptic number.

225191679 is a deficient number, since it is larger than the sum of its proper divisors (76030593).

225191679 is a wasteful number, since it uses less digits than its factorization.

225191679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241677.

The product of its digits is 68040, while the sum is 42.

The square root of 225191679 is about 15006.3879398075. The cubic root of 225191679 is about 608.3928661489.

The spelling of 225191679 in words is "two hundred twenty-five million, one hundred ninety-one thousand, six hundred seventy-nine".