225713738 has 8 divisors (see below), whose sum is σ = 338785860. Its totient is φ = 112785120.

The previous prime is 225713731. The next prime is 225713753. The reversal of 225713738 is 837317522.

225713738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 187607809 + 38105929 = 13697^2 + 6173^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

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, 31853 + ... + 38288.

Almost surely, 2^225713738 is an apocalyptic number.

225713738 is a deficient number, since it is larger than the sum of its proper divisors (113072122).

225713738 is a wasteful number, since it uses less digits than its factorization.

225713738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71752.

The product of its digits is 70560, while the sum is 38.

The square root of 225713738 is about 15023.7724290539. The cubic root of 225713738 is about 608.8626464503.

The spelling of 225713738 in words is "two hundred twenty-five million, seven hundred thirteen thousand, seven hundred thirty-eight".