225552525 has 48 divisors (see below), whose sum is σ = 410116608. Its totient is φ = 108472000.

The previous prime is 225552511. The next prime is 225552529. The reversal of 225552525 is 525255522.

225552525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225552525 - 2⁶ = 225552461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225552529) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107032 + ... + 109118.

It is an arithmetic number, because the mean of its divisors is an integer number (8544096).

Almost surely, 2^225552525 is an apocalyptic number.

225552525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225552525 is a deficient number, since it is larger than the sum of its proper divisors (184564083).

225552525 is a wasteful number, since it uses less digits than its factorization.

225552525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242 (or 2237 counting only the distinct ones).

The product of its digits is 50000, while the sum is 33.

The square root of 225552525 is about 15018.4062070514. The cubic root of 225552525 is about 608.7176546080.

The spelling of 225552525 in words is "two hundred twenty-five million, five hundred fifty-two thousand, five hundred twenty-five".