226445321 has 4 divisors (see below), whose sum is σ = 239765652. Its totient is φ = 213124992.

The previous prime is 226445279. The next prime is 226445347. The reversal of 226445321 is 123544622.

226445321 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.

It can be written as a sum of positive squares in 2 ways, for example, as 142539721 + 83905600 = 11939^2 + 9160^2 .

It is a cyclic number.

It is not a de Polignac number, because 226445321 - 2⁶ = 226445257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226445221) 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, 6660140 + ... + 6660173.

It is an arithmetic number, because the mean of its divisors is an integer number (59941413).

Almost surely, 2^226445321 is an apocalyptic number.

It is an amenable number.

226445321 is a deficient number, since it is larger than the sum of its proper divisors (13320331).

226445321 is a wasteful number, since it uses less digits than its factorization.

226445321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13320330.

The product of its digits is 11520, while the sum is 29.

The square root of 226445321 is about 15048.1002455459. The cubic root of 226445321 is about 609.5197518971.

Adding to 226445321 its reverse (123544622), we get a palindrome (349989943).

The spelling of 226445321 in words is "two hundred twenty-six million, four hundred forty-five thousand, three hundred twenty-one".