225440713 has 4 divisors (see below), whose sum is σ = 225493780. Its totient is φ = 225387648.

The previous prime is 225440669. The next prime is 225440767. The reversal of 225440713 is 317044522.

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 148913209 + 76527504 = 12203^2 + 8748^2 .

It is a cyclic number.

It is not a de Polignac number, because 225440713 - 2¹³ = 225432521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225440783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19548 + ... + 28861.

It is an arithmetic number, because the mean of its divisors is an integer number (56373445).

Almost surely, 2^225440713 is an apocalyptic number.

It is an amenable number.

225440713 is a deficient number, since it is larger than the sum of its proper divisors (53067).

225440713 is an equidigital number, since it uses as much as digits as its factorization.

225440713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53066.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 225440713 is about 15014.6832467422. The cubic root of 225440713 is about 608.6170524857.

The spelling of 225440713 in words is "two hundred twenty-five million, four hundred forty thousand, seven hundred thirteen".