225523412 has 12 divisors (see below), whose sum is σ = 394838976. Its totient is φ = 112712280.

The previous prime is 225523409. The next prime is 225523439. The reversal of 225523412 is 214325522.

It is a congruent number.

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, 914 + ... + 21257.

It is an arithmetic number, because the mean of its divisors is an integer number (32903248).

Almost surely, 2^225523412 is an apocalyptic number.

It is an amenable number.

225523412 is a deficient number, since it is larger than the sum of its proper divisors (169315564).

225523412 is a wasteful number, since it uses less digits than its factorization.

225523412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24718 (or 24716 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 225523412 is about 15017.4369317803. The cubic root of 225523412 is about 608.6914635769.

Adding to 225523412 its reverse (214325522), we get a palindrome (439848934).

The spelling of 225523412 in words is "two hundred twenty-five million, five hundred twenty-three thousand, four hundred twelve".