225237151 has 4 divisors (see below), whose sum is σ = 225275512. Its totient is φ = 225198792.

The previous prime is 225237127. The next prime is 225237163. The reversal of 225237151 is 151732522.

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 225237151 - 2⁹ = 225236639 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 (225237251) 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, 8325 + ... + 22798.

It is an arithmetic number, because the mean of its divisors is an integer number (56318878).

Almost surely, 2^225237151 is an apocalyptic number.

225237151 is a deficient number, since it is larger than the sum of its proper divisors (38361).

225237151 is an equidigital number, since it uses as much as digits as its factorization.

225237151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38360.

The product of its digits is 4200, while the sum is 28.

The square root of 225237151 is about 15007.9029514453. The cubic root of 225237151 is about 608.4338134561.

Adding to 225237151 its reverse (151732522), we get a palindrome (376969673).

The spelling of 225237151 in words is "two hundred twenty-five million, two hundred thirty-seven thousand, one hundred fifty-one".