226421305223 has 4 divisors (see below), whose sum is σ = 226424390448. Its totient is φ = 226418220000.

The previous prime is 226421305217. The next prime is 226421305241. The reversal of 226421305223 is 322503124622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226421305223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 226421305223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226421302223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1429778 + ... + 1580223.

It is an arithmetic number, because the mean of its divisors is an integer number (56606097612).

Almost surely, 2^226421305223 is an apocalyptic number.

226421305223 is a deficient number, since it is larger than the sum of its proper divisors (3085225).

226421305223 is an equidigital number, since it uses as much as digits as its factorization.

226421305223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3085224.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 226421305223 its reverse (322503124622), we get a palindrome (548924429845).

The spelling of 226421305223 in words is "two hundred twenty-six billion, four hundred twenty-one million, three hundred five thousand, two hundred twenty-three".