226512943 has 4 divisors (see below), whose sum is σ = 226567168. Its totient is φ = 226458720.

The previous prime is 226512883. The next prime is 226512959. The reversal of 226512943 is 349215622.

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

It is a cyclic number.

It is not a de Polignac number, because 226512943 - 2⁹ = 226512431 is a prime.

It is a super-2 number, since 2×226512943² = 102616226693042498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226512899 and 226512908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226512973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20271 + ... + 29392.

It is an arithmetic number, because the mean of its divisors is an integer number (56641792).

Almost surely, 2^226512943 is an apocalyptic number.

226512943 is a deficient number, since it is larger than the sum of its proper divisors (54225).

226512943 is an equidigital number, since it uses as much as digits as its factorization.

226512943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54224.

The product of its digits is 25920, while the sum is 34.

The square root of 226512943 is about 15050.3469395227. The cubic root of 226512943 is about 609.5804182608.

The spelling of 226512943 in words is "two hundred twenty-six million, five hundred twelve thousand, nine hundred forty-three".