225452001 has 4 divisors (see below), whose sum is σ = 300602672. Its totient is φ = 150301332.

The previous prime is 225451999. The next prime is 225452021. The reversal of 225452001 is 100254522.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 225452001 - 2¹ = 225451999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225452021) 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, 37575331 + ... + 37575336.

It is an arithmetic number, because the mean of its divisors is an integer number (75150668).

Almost surely, 2^225452001 is an apocalyptic number.

It is an amenable number.

225452001 is a deficient number, since it is larger than the sum of its proper divisors (75150671).

225452001 is an equidigital number, since it uses as much as digits as its factorization.

225452001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75150670.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 225452001 is about 15015.0591407427. The cubic root of 225452001 is about 608.6272102999.

The spelling of 225452001 in words is "two hundred twenty-five million, four hundred fifty-two thousand, one".