225235168226 has 4 divisors (see below), whose sum is σ = 337852752342. Its totient is φ = 112617584112.

The previous prime is 225235168217. The next prime is 225235168229. The reversal of 225235168226 is 622861532522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 622861532522 = 2 ⋅311430766261.

It can be written as a sum of positive squares in only one way, i.e., 138831505201 + 86403663025 = 372601^2 + 293945^2 .

It is not an unprimeable number, because it can be changed into a prime (225235168229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56308792055 + ... + 56308792058.

Almost surely, 2^225235168226 is an apocalyptic number.

225235168226 is a deficient number, since it is larger than the sum of its proper divisors (112617584116).

225235168226 is a wasteful number, since it uses less digits than its factorization.

225235168226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112617584115.

The product of its digits is 691200, while the sum is 44.

The spelling of 225235168226 in words is "two hundred twenty-five billion, two hundred thirty-five million, one hundred sixty-eight thousand, two hundred twenty-six".