225117193 has 8 divisors (see below), whose sum is σ = 259682112. Its totient is φ = 191153616.

The previous prime is 225117173. The next prime is 225117197. The reversal of 225117193 is 391711522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225117193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225117197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149530 + ... + 151027.

It is an arithmetic number, because the mean of its divisors is an integer number (32460264).

Almost surely, 2^225117193 is an apocalyptic number.

It is an amenable number.

225117193 is a deficient number, since it is larger than the sum of its proper divisors (34564919).

225117193 is a wasteful number, since it uses less digits than its factorization.

225117193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300671.

The product of its digits is 3780, while the sum is 31.

The square root of 225117193 is about 15003.9059247917. The cubic root of 225117193 is about 608.3257799692.

The spelling of 225117193 in words is "two hundred twenty-five million, one hundred seventeen thousand, one hundred ninety-three".