226465813 has 4 divisors (see below), whose sum is σ = 258818080. Its totient is φ = 194113548.

The previous prime is 226465793. The next prime is 226465817. The reversal of 226465813 is 318564622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 226465813 - 2¹⁷ = 226334741 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 (226465817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16176123 + ... + 16176136.

It is an arithmetic number, because the mean of its divisors is an integer number (64704520).

Almost surely, 2^226465813 is an apocalyptic number.

It is an amenable number.

226465813 is a deficient number, since it is larger than the sum of its proper divisors (32352267).

226465813 is an equidigital number, since it uses as much as digits as its factorization.

226465813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32352266.

The product of its digits is 69120, while the sum is 37.

The square root of 226465813 is about 15048.7811134324. The cubic root of 226465813 is about 609.5381373540.

The spelling of 226465813 in words is "two hundred twenty-six million, four hundred sixty-five thousand, eight hundred thirteen".