225273756 has 12 divisors (see below), whose sum is σ = 525638792. Its totient is φ = 75091248.

The previous prime is 225273751. The next prime is 225273761. The reversal of 225273756 is 657372522.

It is an interprime number because it is at equal distance from previous prime (225273751) and next prime (225273761).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225273751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9386395 + ... + 9386418.

Almost surely, 2^225273756 is an apocalyptic number.

It is an amenable number.

225273756 is an abundant number, since it is smaller than the sum of its proper divisors (300365036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225273756 is a wasteful number, since it uses less digits than its factorization.

225273756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18772820 (or 18772818 counting only the distinct ones).

The product of its digits is 176400, while the sum is 39.

The square root of 225273756 is about 15009.1224260448. The cubic root of 225273756 is about 608.4667720707.

The spelling of 225273756 in words is "two hundred twenty-five million, two hundred seventy-three thousand, seven hundred fifty-six".