225309635 has 4 divisors (see below), whose sum is σ = 270371568. Its totient is φ = 180247704.

The previous prime is 225309631. The next prime is 225309647. The reversal of 225309635 is 536903522.

It is a happy number.

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 225309635 - 2² = 225309631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225309595 and 225309604.

It is not an unprimeable number, because it can be changed into a prime (225309631) 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, 22530959 + ... + 22530968.

It is an arithmetic number, because the mean of its divisors is an integer number (67592892).

Almost surely, 2^225309635 is an apocalyptic number.

225309635 is a deficient number, since it is larger than the sum of its proper divisors (45061933).

225309635 is an equidigital number, since it uses as much as digits as its factorization.

225309635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45061932.

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 225309635 is about 15010.3176182251. The cubic root of 225309635 is about 608.4990735406.

The spelling of 225309635 in words is "two hundred twenty-five million, three hundred nine thousand, six hundred thirty-five".