225737 has 4 divisors (see below), whose sum is σ = 231876. Its totient is φ = 219600.

The previous prime is 225733. The next prime is 225749. The reversal of 225737 is 737522.

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 175561 + 50176 = 419^2 + 224^2 .

It is a cyclic number.

It is not a de Polignac number, because 225737 - 2² = 225733 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a nialpdrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 225737.

It is not an unprimeable number, because it can be changed into a prime (225733) 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, 3014 + ... + 3087.

It is an arithmetic number, because the mean of its divisors is an integer number (57969).

2²²⁵⁷³⁷ is an apocalyptic number.

It is an amenable number.

225737 is a deficient number, since it is larger than the sum of its proper divisors (6139).

225737 is an equidigital number, since it uses as much as digits as its factorization.

225737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6138.

The product of its digits is 2940, while the sum is 26.

The square root of 225737 is about 475.1178801098. The cubic root of 225737 is about 60.8883562141. Note that the first 3 decimals are identical.

The spelling of 225737 in words is "two hundred twenty-five thousand, seven hundred thirty-seven".