225110161 has 4 divisors (see below), whose sum is σ = 225255024. Its totient is φ = 224965300.

The previous prime is 225110159. The next prime is 225110201. The reversal of 225110161 is 161011522.

225110161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 225110161 - 2¹ = 225110159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225110101) 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, 70075 + ... + 73216.

It is an arithmetic number, because the mean of its divisors is an integer number (56313756).

Almost surely, 2^225110161 is an apocalyptic number.

It is an amenable number.

225110161 is a deficient number, since it is larger than the sum of its proper divisors (144863).

225110161 is a wasteful number, since it uses less digits than its factorization.

225110161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144862.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 225110161 is about 15003.6715839824. The cubic root of 225110161 is about 608.3194457996.

Adding to 225110161 its reverse (161011522), we get a palindrome (386121683).

The spelling of 225110161 in words is "two hundred twenty-five million, one hundred ten thousand, one hundred sixty-one".