225432436 has 6 divisors (see below), whose sum is σ = 394506770. Its totient is φ = 112716216.

The previous prime is 225432413. The next prime is 225432469. The reversal of 225432436 is 634234522.

It can be written as a sum of positive squares in only one way, i.e., 134420836 + 91011600 = 11594^2 + 9540^2 .

It is a junction number, because it is equal to n+sod(n) for n = 225432398 and 225432407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28179051 + ... + 28179058.

Almost surely, 2^225432436 is an apocalyptic number.

It is an amenable number.

225432436 is a deficient number, since it is larger than the sum of its proper divisors (169074334).

225432436 is a wasteful number, since it uses less digits than its factorization.

225432436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56358113 (or 56358111 counting only the distinct ones).

The product of its digits is 34560, while the sum is 31.

The square root of 225432436 is about 15014.4076140219. The cubic root of 225432436 is about 608.6096039863.

Adding to 225432436 its reverse (634234522), we get a palindrome (859666958).

The spelling of 225432436 in words is "two hundred twenty-five million, four hundred thirty-two thousand, four hundred thirty-six".