225153520324 has 12 divisors (see below), whose sum is σ = 397844085184. Its totient is φ = 111483781704.

The previous prime is 225153520321. The next prime is 225153520373. The reversal of 225153520324 is 423025351522.

It is a self number, because there is not a number n which added to its sum of digits gives 225153520324.

It is not an unprimeable number, because it can be changed into a prime (225153520321) 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, 273244152 + ... + 273244975.

Almost surely, 2^225153520324 is an apocalyptic number.

It is an amenable number.

225153520324 is a deficient number, since it is larger than the sum of its proper divisors (172690564860).

225153520324 is a wasteful number, since it uses less digits than its factorization.

225153520324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546489234 (or 546489232 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 225153520324 its reverse (423025351522), we get a palindrome (648178871846).

The spelling of 225153520324 in words is "two hundred twenty-five billion, one hundred fifty-three million, five hundred twenty thousand, three hundred twenty-four".