225524023 has 4 divisors (see below), whose sum is σ = 238790160. Its totient is φ = 212257888.

The previous prime is 225524017. The next prime is 225524027. The reversal of 225524023 is 320425522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225524023 - 2⁹ = 225523511 is a prime.

It is a super-2 number, since 2×225524023² = 101722169900209058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225524027) 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, 6633043 + ... + 6633076.

It is an arithmetic number, because the mean of its divisors is an integer number (59697540).

Almost surely, 2^225524023 is an apocalyptic number.

225524023 is a deficient number, since it is larger than the sum of its proper divisors (13266137).

225524023 is a wasteful number, since it uses less digits than its factorization.

225524023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13266136.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 225524023 is about 15017.4572747852. The cubic root of 225524023 is about 608.6920132762.

Adding to 225524023 its reverse (320425522), we get a palindrome (545949545).

The spelling of 225524023 in words is "two hundred twenty-five million, five hundred twenty-four thousand, twenty-three".