225500111 has 2 divisors, whose sum is σ = 225500112. Its totient is φ = 225500110.

The previous prime is 225500081. The next prime is 225500141. The reversal of 225500111 is 111005522.

It is a balanced prime because it is at equal distance from previous prime (225500081) and next prime (225500141).

It is a cyclic number.

It is not a de Polignac number, because 225500111 - 2¹⁸ = 225237967 is a prime.

It is a super-2 number, since 2×225500111² = 101700600122024642, which contains 22 as substring.

It is a Chen prime.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 225500111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225500141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112750055 + 112750056.

It is an arithmetic number, because the mean of its divisors is an integer number (112750056).

Almost surely, 2^225500111 is an apocalyptic number.

225500111 is a deficient number, since it is larger than the sum of its proper divisors (1).

225500111 is an equidigital number, since it uses as much as digits as its factorization.

225500111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 225500111 is about 15016.6611135765. The cubic root of 225500111 is about 608.6704995919.

Adding to 225500111 its reverse (111005522), we get a palindrome (336505633).

The spelling of 225500111 in words is "two hundred twenty-five million, five hundred thousand, one hundred eleven".