225236475 has 36 divisors (see below), whose sum is σ = 417346800. Its totient is φ = 115980480.

The previous prime is 225236471. The next prime is 225236477. The reversal of 225236475 is 574632522.

225236475 is a `hidden beast` number, since 2 + 2 + 5 + 2 + 3 + 647 + 5 = 666.

It is not a de Polignac number, because 225236475 - 2² = 225236471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225236471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10735 + ... + 23784.

Almost surely, 2^225236475 is an apocalyptic number.

225236475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

225236475 is a deficient number, since it is larger than the sum of its proper divisors (192110325).

225236475 is a wasteful number, since it uses less digits than its factorization.

225236475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34564 (or 34556 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 225236475 is about 15007.8804299608. The cubic root of 225236475 is about 608.4332047618.

Adding to 225236475 its reverse (574632522), we get a palindrome (799868997).

The spelling of 225236475 in words is "two hundred twenty-five million, two hundred thirty-six thousand, four hundred seventy-five".