225541001 has 8 divisors (see below), whose sum is σ = 271327680. Its totient is φ = 183145968.

The previous prime is 225540941. The next prime is 225541009. The reversal of 225541001 is 100145522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225541001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225541009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847766 + ... + 848031.

It is an arithmetic number, because the mean of its divisors is an integer number (33915960).

Almost surely, 2^225541001 is an apocalyptic number.

It is an amenable number.

225541001 is a deficient number, since it is larger than the sum of its proper divisors (45786679).

225541001 is a wasteful number, since it uses less digits than its factorization.

225541001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695823.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 225541001 is about 15018.0225396022. The cubic root of 225541001 is about 608.7072875007.

Adding to 225541001 its reverse (100145522), we get a palindrome (325686523).

The spelling of 225541001 in words is "two hundred twenty-five million, five hundred forty-one thousand, one".