225117194 has 8 divisors (see below), whose sum is σ = 338095620. Its totient is φ = 112418656.

The previous prime is 225117173. The next prime is 225117197. The reversal of 225117194 is 491711522.

225117194 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 152646025 + 72471169 = 12355^2 + 8513^2 .

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

It is a super-3 number, since 3×225117194³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 225117194.

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 3 ways as a sum of consecutive naturals, for example, 67949 + ... + 71184.

Almost surely, 2^225117194 is an apocalyptic number.

225117194 is a deficient number, since it is larger than the sum of its proper divisors (112978426).

225117194 is a wasteful number, since it uses less digits than its factorization.

225117194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139944.

The product of its digits is 5040, while the sum is 32.

The square root of 225117194 is about 15003.9059581164. The cubic root of 225117194 is about 608.3257808699.

The spelling of 225117194 in words is "two hundred twenty-five million, one hundred seventeen thousand, one hundred ninety-four".