225749935 has 4 divisors (see below), whose sum is σ = 270899928. Its totient is φ = 180599944.

The previous prime is 225749929. The next prime is 225749939. The reversal of 225749935 is 539947522.

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

It is a cyclic number.

It is not a de Polignac number, because 225749935 - 2⁵ = 225749903 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 (225749939) 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, 22574989 + ... + 22574998.

It is an arithmetic number, because the mean of its divisors is an integer number (67724982).

Almost surely, 2^225749935 is an apocalyptic number.

225749935 is a deficient number, since it is larger than the sum of its proper divisors (45149993).

225749935 is an equidigital number, since it uses as much as digits as its factorization.

225749935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45149992.

The product of its digits is 680400, while the sum is 46.

The square root of 225749935 is about 15024.9770382520. The cubic root of 225749935 is about 608.8951918378.

The spelling of 225749935 in words is "two hundred twenty-five million, seven hundred forty-nine thousand, nine hundred thirty-five".