226021321 has 8 divisors (see below), whose sum is σ = 238440320. Its totient is φ = 213654672.

The previous prime is 226021319. The next prime is 226021337. The reversal of 226021321 is 123120622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 226021321 - 2¹ = 226021319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226021381) 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 7 ways as a sum of consecutive naturals, for example, 4050 + ... + 21643.

It is an arithmetic number, because the mean of its divisors is an integer number (29805040).

Almost surely, 2^226021321 is an apocalyptic number.

It is an amenable number.

226021321 is a deficient number, since it is larger than the sum of its proper divisors (12418999).

226021321 is a wasteful number, since it uses less digits than its factorization.

226021321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26175.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 226021321 is about 15034.0054875605. The cubic root of 226021321 is about 609.1390892249.

Adding to 226021321 its reverse (123120622), we get a palindrome (349141943).

The spelling of 226021321 in words is "two hundred twenty-six million, twenty-one thousand, three hundred twenty-one".