225345111 has 16 divisors (see below), whose sum is σ = 316592640. Its totient is φ = 142179840.

The previous prime is 225345101. The next prime is 225345121. The reversal of 225345111 is 111543522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (225345101) and next prime (225345121).

It is not a de Polignac number, because 225345111 - 2⁵ = 225345079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225345101) 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 15 ways as a sum of consecutive naturals, for example, 105591 + ... + 107703.

It is an arithmetic number, because the mean of its divisors is an integer number (19787040).

Almost surely, 2^225345111 is an apocalyptic number.

225345111 is a deficient number, since it is larger than the sum of its proper divisors (91247529).

225345111 is a wasteful number, since it uses less digits than its factorization.

225345111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4006.

The product of its digits is 1200, while the sum is 24.

The square root of 225345111 is about 15011.4992922093. The cubic root of 225345111 is about 608.5310088227.

Adding to 225345111 its reverse (111543522), we get a palindrome (336888633).

It can be divided in two parts, 225345 and 111, that added together give a triangular number (225456 = T₆₇₁).

The spelling of 225345111 in words is "two hundred twenty-five million, three hundred forty-five thousand, one hundred eleven".