226531251 has 24 divisors (see below), whose sum is σ = 332972640. Its totient is φ = 148377600.

The previous prime is 226531237. The next prime is 226531271. The reversal of 226531251 is 152135622.

It is a happy number.

226531251 is a `hidden beast` number, since 2 + 2 + 653 + 1 + 2 + 5 + 1 = 666.

226531251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 226531251 - 2⁹ = 226530739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (226531231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 294195 + ... + 294963.

It is an arithmetic number, because the mean of its divisors is an integer number (13873860).

Almost surely, 2^226531251 is an apocalyptic number.

226531251 is a deficient number, since it is larger than the sum of its proper divisors (106441389).

226531251 is a wasteful number, since it uses less digits than its factorization.

226531251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307 (or 1304 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 226531251 is about 15050.9551524147. The cubic root of 226531251 is about 609.5968410127.

Adding to 226531251 its reverse (152135622), we get a palindrome (378666873).

The spelling of 226531251 in words is "two hundred twenty-six million, five hundred thirty-one thousand, two hundred fifty-one".