225004023 has 48 divisors (see below), whose sum is σ = 356428800. Its totient is φ = 136287360.

The previous prime is 225004019. The next prime is 225004033. The reversal of 225004023 is 320400522.

It is not a de Polignac number, because 225004023 - 2² = 225004019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225003987 and 225004005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225004033) 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 47 ways as a sum of consecutive naturals, for example, 469498 + ... + 469976.

It is an arithmetic number, because the mean of its divisors is an integer number (7425600).

Almost surely, 2^225004023 is an apocalyptic number.

225004023 is a deficient number, since it is larger than the sum of its proper divisors (131424777).

225004023 is a wasteful number, since it uses less digits than its factorization.

225004023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 609 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 225004023 is about 15000.1340994006. The cubic root of 225004023 is about 608.2238245281.

Adding to 225004023 its reverse (320400522), we get a palindrome (545404545).

The spelling of 225004023 in words is "two hundred twenty-five million, four thousand, twenty-three".