225105001 has 8 divisors (see below), whose sum is σ = 249732000. Its totient is φ = 201171840.

The previous prime is 225104993. The next prime is 225105031. The reversal of 225105001 is 100501522.

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

It is a cyclic number.

It is not a de Polignac number, because 225105001 - 2³ = 225104993 is a prime.

It is a super-2 number, since 2×225105001² = 101344522950420002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225105031) 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, 172776 + ... + 174073.

It is an arithmetic number, because the mean of its divisors is an integer number (31216500).

Almost surely, 2^225105001 is an apocalyptic number.

It is an amenable number.

225105001 is a deficient number, since it is larger than the sum of its proper divisors (24626999).

225105001 is a wasteful number, since it uses less digits than its factorization.

225105001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346919.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 225105001 is about 15003.4996250875. The cubic root of 225105001 is about 608.3147977756.

Adding to 225105001 its reverse (100501522), we get a palindrome (325606523).

The spelling of 225105001 in words is "two hundred twenty-five million, one hundred five thousand, one".