225268511 has 4 divisors (see below), whose sum is σ = 242596872. Its totient is φ = 207940152.

The previous prime is 225268493. The next prime is 225268559. The reversal of 225268511 is 115862522.

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

It is a cyclic number.

It is not a de Polignac number, because 225268511 - 2¹⁴ = 225252127 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 (225268811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8664161 + ... + 8664186.

It is an arithmetic number, because the mean of its divisors is an integer number (60649218).

Almost surely, 2^225268511 is an apocalyptic number.

225268511 is a deficient number, since it is larger than the sum of its proper divisors (17328361).

225268511 is a wasteful number, since it uses less digits than its factorization.

225268511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17328360.

The product of its digits is 9600, while the sum is 32.

The square root of 225268511 is about 15008.9476979567. The cubic root of 225268511 is about 608.4620497674.

The spelling of 225268511 in words is "two hundred twenty-five million, two hundred sixty-eight thousand, five hundred eleven".