225113351 has 16 divisors (see below), whose sum is σ = 244144128. Its totient is φ = 206949600.

The previous prime is 225113323. The next prime is 225113353. The reversal of 225113351 is 153311522.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 225113351 - 2²² = 220919047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225113353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110936 + ... + 112946.

It is an arithmetic number, because the mean of its divisors is an integer number (15259008).

Almost surely, 2^225113351 is an apocalyptic number.

225113351 is a deficient number, since it is larger than the sum of its proper divisors (19030777).

225113351 is a wasteful number, since it uses less digits than its factorization.

225113351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222.

The product of its digits is 900, while the sum is 23.

The square root of 225113351 is about 15003.7778909180. Note that the first 3 decimals coincide. The cubic root of 225113351 is about 608.3223192518.

Adding to 225113351 its reverse (153311522), we get a palindrome (378424873).

The spelling of 225113351 in words is "two hundred twenty-five million, one hundred thirteen thousand, three hundred fifty-one".