225234511 has 4 divisors (see below), whose sum is σ = 225335032. Its totient is φ = 225133992.

The previous prime is 225234431. The next prime is 225234533. The reversal of 225234511 is 115432522.

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

It is a cyclic number.

It is not a de Polignac number, because 225234511 - 2¹¹ = 225232463 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 (225234551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46821 + ... + 51406.

It is an arithmetic number, because the mean of its divisors is an integer number (56333758).

Almost surely, 2^225234511 is an apocalyptic number.

225234511 is a deficient number, since it is larger than the sum of its proper divisors (100521).

225234511 is an equidigital number, since it uses as much as digits as its factorization.

225234511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100520.

The product of its digits is 2400, while the sum is 25.

The square root of 225234511 is about 15007.8149975271. The cubic root of 225234511 is about 608.4314363001.

It can be divided in two parts, 2252 and 34511, that added together give a palindrome (36763).

The spelling of 225234511 in words is "two hundred twenty-five million, two hundred thirty-four thousand, five hundred eleven".