225036811 has 4 divisors (see below), whose sum is σ = 225933624. Its totient is φ = 224140000.

The previous prime is 225036733. The next prime is 225036827. The reversal of 225036811 is 118630522.

225036811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 225036811 - 2⁷ = 225036683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225036811.

It is not an unprimeable number, because it can be changed into a prime (225036841) 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, 448030 + ... + 448531.

It is an arithmetic number, because the mean of its divisors is an integer number (56483406).

Almost surely, 2^225036811 is an apocalyptic number.

225036811 is a deficient number, since it is larger than the sum of its proper divisors (896813).

225036811 is an equidigital number, since it uses as much as digits as its factorization.

225036811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896812.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 225036811 is about 15001.2269831504. The cubic root of 225036811 is about 608.2533669246.

The spelling of 225036811 in words is "two hundred twenty-five million, thirty-six thousand, eight hundred eleven".