225332001 has 24 divisors (see below), whose sum is σ = 354432000. Its totient is φ = 137404512.

The previous prime is 225331999. The next prime is 225332011. The reversal of 225332001 is 100233522.

225332001 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 225332001 - 2¹ = 225331999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (225332011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17761 + ... + 27678.

It is an arithmetic number, because the mean of its divisors is an integer number (14768000).

Almost surely, 2^225332001 is an apocalyptic number.

It is an amenable number.

225332001 is a deficient number, since it is larger than the sum of its proper divisors (129099999).

225332001 is a wasteful number, since it uses less digits than its factorization.

225332001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45493 (or 45490 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 225332001 is about 15011.0626206142. The cubic root of 225332001 is about 608.5192076699.

Adding to 225332001 its reverse (100233522), we get a palindrome (325565523).

The spelling of 225332001 in words is "two hundred twenty-five million, three hundred thirty-two thousand, one".