225104861 has 8 divisors (see below), whose sum is σ = 230542848. Its totient is φ = 219730000.

The previous prime is 225104827. The next prime is 225104899. The reversal of 225104861 is 168401522.

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 225104861 - 2¹⁴ = 225088477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225104821) 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, 8525 + ... + 22866.

It is an arithmetic number, because the mean of its divisors is an integer number (28817856).

Almost surely, 2^225104861 is an apocalyptic number.

It is an amenable number.

225104861 is a deficient number, since it is larger than the sum of its proper divisors (5437987).

225104861 is a wasteful number, since it uses less digits than its factorization.

225104861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31563.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 225104861 is about 15003.4949595086. The cubic root of 225104861 is about 608.3146716654.

The spelling of 225104861 in words is "two hundred twenty-five million, one hundred four thousand, eight hundred sixty-one".