225324617255 has 16 divisors (see below), whose sum is σ = 275395006080. Its totient is φ = 176949097728.

The previous prime is 225324617249. The next prime is 225324617257. The reversal of 225324617255 is 552716423522.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225324617255 is a prime.

It is a super-2 number, since 2×225324617255² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225324617257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1580342 + ... + 1717011.

It is an arithmetic number, because the mean of its divisors is an integer number (17212187880).

Almost surely, 2^225324617255 is an apocalyptic number.

225324617255 is a deficient number, since it is larger than the sum of its proper divisors (50070388825).

225324617255 is a wasteful number, since it uses less digits than its factorization.

225324617255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3297610.

The product of its digits is 1008000, while the sum is 44.

The spelling of 225324617255 in words is "two hundred twenty-five billion, three hundred twenty-four million, six hundred seventeen thousand, two hundred fifty-five".