225118072 has 16 divisors (see below), whose sum is σ = 431913240. Its totient is φ = 109941216.

The previous prime is 225118037. The next prime is 225118079. The reversal of 225118072 is 270811522.

It is a self number, because there is not a number n which added to its sum of digits gives 225118072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225118079) 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, 326863 + ... + 327550.

Almost surely, 2^225118072 is an apocalyptic number.

It is an amenable number.

225118072 is a deficient number, since it is larger than the sum of its proper divisors (206795168).

225118072 is a wasteful number, since it uses less digits than its factorization.

225118072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654462 (or 654458 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 225118072 is about 15003.9352171355. The cubic root of 225118072 is about 608.3265717311.

Adding to 225118072 its reverse (270811522), we get a palindrome (495929594).

The spelling of 225118072 in words is "two hundred twenty-five million, one hundred eighteen thousand, seventy-two".