225713739 has 4 divisors (see below), whose sum is σ = 300951656. Its totient is φ = 150475824.

The previous prime is 225713731. The next prime is 225713753. The reversal of 225713739 is 937317522.

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

It is not a de Polignac number, because 225713739 - 2³ = 225713731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225713697 and 225713706.

It is not an unprimeable number, because it can be changed into a prime (225713731) 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, 37618954 + ... + 37618959.

It is an arithmetic number, because the mean of its divisors is an integer number (75237914).

Almost surely, 2^225713739 is an apocalyptic number.

225713739 is a deficient number, since it is larger than the sum of its proper divisors (75237917).

225713739 is an equidigital number, since it uses as much as digits as its factorization.

225713739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75237916.

The product of its digits is 79380, while the sum is 39.

The square root of 225713739 is about 15023.7724623345. The cubic root of 225713739 is about 608.8626473495.

The spelling of 225713739 in words is "two hundred twenty-five million, seven hundred thirteen thousand, seven hundred thirty-nine".