225003311 has 4 divisors (see below), whose sum is σ = 242311272. Its totient is φ = 207695352.

The previous prime is 225003283. The next prime is 225003341. The reversal of 225003311 is 113300522.

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 225003311 - 2¹⁰ = 225002287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225003311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225003341) 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, 8653961 + ... + 8653986.

It is an arithmetic number, because the mean of its divisors is an integer number (60577818).

Almost surely, 2^225003311 is an apocalyptic number.

225003311 is a deficient number, since it is larger than the sum of its proper divisors (17307961).

225003311 is a wasteful number, since it uses less digits than its factorization.

225003311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17307960.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 225003311 is about 15000.1103662606. The cubic root of 225003311 is about 608.2231829754.

Adding to 225003311 its reverse (113300522), we get a palindrome (338303833).

The spelling of 225003311 in words is "two hundred twenty-five million, three thousand, three hundred eleven".