226421305243 has 8 divisors (see below), whose sum is σ = 258985216512. Its totient is φ = 193911896616.

The previous prime is 226421305241. The next prime is 226421305291. The reversal of 226421305243 is 342503124622.

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 226421305243 - 2¹ = 226421305241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226421305199 and 226421305208.

It is not an unprimeable number, because it can be changed into a prime (226421305241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13616755 + ... + 13633372.

It is an arithmetic number, because the mean of its divisors is an integer number (32373152064).

Almost surely, 2^226421305243 is an apocalyptic number.

226421305243 is a deficient number, since it is larger than the sum of its proper divisors (32563911269).

226421305243 is a wasteful number, since it uses less digits than its factorization.

226421305243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27251321.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 226421305243 its reverse (342503124622), we get a palindrome (568924429865).

The spelling of 226421305243 in words is "two hundred twenty-six billion, four hundred twenty-one million, three hundred five thousand, two hundred forty-three".