225200111 has 4 divisors (see below), whose sum is σ = 225448224. Its totient is φ = 224952000.

The previous prime is 225200099. The next prime is 225200119. The reversal of 225200111 is 111002522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225200111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225200119) 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, 122690 + ... + 124511.

It is an arithmetic number, because the mean of its divisors is an integer number (56362056).

Almost surely, 2^225200111 is an apocalyptic number.

225200111 is a deficient number, since it is larger than the sum of its proper divisors (248113).

225200111 is an equidigital number, since it uses as much as digits as its factorization.

225200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248112.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 225200111 is about 15006.6688841995. The cubic root of 225200111 is about 608.4004595388.

Adding to 225200111 its reverse (111002522), we get a palindrome (336202633).

The spelling of 225200111 in words is "two hundred twenty-five million, two hundred thousand, one hundred eleven".