225900111 has 8 divisors (see below), whose sum is σ = 311586480. Its totient is φ = 145406912.

The previous prime is 225900109. The next prime is 225900121. The reversal of 225900111 is 111009522.

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 225900111 - 2¹ = 225900109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225900121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1298190 + ... + 1298363.

It is an arithmetic number, because the mean of its divisors is an integer number (38948310).

Almost surely, 2^225900111 is an apocalyptic number.

225900111 is a deficient number, since it is larger than the sum of its proper divisors (85686369).

225900111 is a wasteful number, since it uses less digits than its factorization.

225900111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596585.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 225900111 is about 15029.9737524721. The cubic root of 225900111 is about 609.0301806921.

Adding to 225900111 its reverse (111009522), we get a palindrome (336909633).

The spelling of 225900111 in words is "two hundred twenty-five million, nine hundred thousand, one hundred eleven".