225403436 has 12 divisors (see below), whose sum is σ = 394770600. Its totient is φ = 112611840.

The previous prime is 225403421. The next prime is 225403483. The reversal of 225403436 is 634304522.

It is a junction number, because it is equal to n+sod(n) for n = 225403399 and 225403408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16661 + ... + 26988.

It is an arithmetic number, because the mean of its divisors is an integer number (32897550).

Almost surely, 2^225403436 is an apocalyptic number.

It is an amenable number.

225403436 is a deficient number, since it is larger than the sum of its proper divisors (169367164).

225403436 is a wasteful number, since it uses less digits than its factorization.

225403436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44944 (or 44942 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 225403436 is about 15013.4418438944. The cubic root of 225403436 is about 608.5835053531.

Adding to 225403436 its reverse (634304522), we get a palindrome (859707958).

The spelling of 225403436 in words is "two hundred twenty-five million, four hundred three thousand, four hundred thirty-six".