226478173 has 4 divisors (see below), whose sum is σ = 226551708. Its totient is φ = 226404640.

The previous prime is 226478141. The next prime is 226478191. The reversal of 226478173 is 371874622.

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

It can be written as a sum of positive squares in 2 ways, for example, as 59629284 + 166848889 = 7722^2 + 12917^2 .

It is a cyclic number.

It is not a de Polignac number, because 226478173 - 2⁵ = 226478141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226478113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31936 + ... + 38377.

It is an arithmetic number, because the mean of its divisors is an integer number (56637927).

Almost surely, 2^226478173 is an apocalyptic number.

It is an amenable number.

226478173 is a deficient number, since it is larger than the sum of its proper divisors (73535).

226478173 is an equidigital number, since it uses as much as digits as its factorization.

226478173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73534.

The product of its digits is 112896, while the sum is 40.

The square root of 226478173 is about 15049.1917723179. The cubic root of 226478173 is about 609.5492262305.

The spelling of 226478173 in words is "two hundred twenty-six million, four hundred seventy-eight thousand, one hundred seventy-three".