225443636 has 12 divisors (see below), whose sum is σ = 430392480. Its totient is φ = 102474360.

The previous prime is 225443629. The next prime is 225443639. The reversal of 225443636 is 636344522.

It is a super-3 number, since 3×225443636³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225443596 and 225443605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225443639) 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, 2561816 + ... + 2561903.

It is an arithmetic number, because the mean of its divisors is an integer number (35866040).

Almost surely, 2^225443636 is an apocalyptic number.

It is an amenable number.

225443636 is a deficient number, since it is larger than the sum of its proper divisors (204948844).

225443636 is a wasteful number, since it uses less digits than its factorization.

225443636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5123734 (or 5123732 counting only the distinct ones).

The product of its digits is 103680, while the sum is 35.

The square root of 225443636 is about 15014.7805844774. The cubic root of 225443636 is about 608.6196828593.

The spelling of 225443636 in words is "two hundred twenty-five million, four hundred forty-three thousand, six hundred thirty-six".