225467917 has 4 divisors (see below), whose sum is σ = 227536540. Its totient is φ = 223399296.

The previous prime is 225467911. The next prime is 225467933. The reversal of 225467917 is 719764522.

225467917 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.

It can be written as a sum of positive squares in 2 ways, for example, as 111640356 + 113827561 = 10566^2 + 10669^2 .

It is a cyclic number.

It is not a de Polignac number, because 225467917 - 2³ = 225467909 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 (225467911) 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, 1034148 + ... + 1034365.

It is an arithmetic number, because the mean of its divisors is an integer number (56884135).

Almost surely, 2^225467917 is an apocalyptic number.

It is an amenable number.

225467917 is a deficient number, since it is larger than the sum of its proper divisors (2068623).

225467917 is a wasteful number, since it uses less digits than its factorization.

225467917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068622.

The product of its digits is 211680, while the sum is 43.

The square root of 225467917 is about 15015.5891326315. The cubic root of 225467917 is about 608.6415321698.

The spelling of 225467917 in words is "two hundred twenty-five million, four hundred sixty-seven thousand, nine hundred seventeen".