225113101 has 4 divisors (see below), whose sum is σ = 229360572. Its totient is φ = 220865632.

The previous prime is 225113089. The next prime is 225113111. The reversal of 225113101 is 101311522.

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 137241225 + 87871876 = 11715^2 + 9374^2 .

It is a cyclic number.

It is not a de Polignac number, because 225113101 - 2⁷ = 225112973 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 (225113111) 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, 2123656 + ... + 2123761.

It is an arithmetic number, because the mean of its divisors is an integer number (57340143).

Almost surely, 2^225113101 is an apocalyptic number.

It is an amenable number.

225113101 is a deficient number, since it is larger than the sum of its proper divisors (4247471).

225113101 is an equidigital number, since it uses as much as digits as its factorization.

225113101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4247470.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 225113101 is about 15003.7695596807. The cubic root of 225113101 is about 608.3220940606.

Adding to 225113101 its reverse (101311522), we get a palindrome (326424623).

The spelling of 225113101 in words is "two hundred twenty-five million, one hundred thirteen thousand, one hundred one".