226304281 has 4 divisors (see below), whose sum is σ = 258633472. Its totient is φ = 193975092.

The previous prime is 226304263. The next prime is 226304363. The reversal of 226304281 is 182403622.

226304281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 226304281 - 2¹¹ = 226302233 is a prime.

It is a super-2 number, since 2×226304281² = 102427255197853922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226304261) 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, 16164585 + ... + 16164598.

It is an arithmetic number, because the mean of its divisors is an integer number (64658368).

Almost surely, 2^226304281 is an apocalyptic number.

It is an amenable number.

226304281 is a deficient number, since it is larger than the sum of its proper divisors (32329191).

226304281 is an equidigital number, since it uses as much as digits as its factorization.

226304281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32329190.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 226304281 is about 15043.4132097739. The cubic root of 226304281 is about 609.3931804736.

The spelling of 226304281 in words is "two hundred twenty-six million, three hundred four thousand, two hundred eighty-one".