226664843 has 4 divisors (see below), whose sum is σ = 230506680. Its totient is φ = 222823008.

The previous prime is 226664833. The next prime is 226664861. The reversal of 226664843 is 348466622.

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 226664843 - 2¹⁰ = 226663819 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 226664843.

It is not an unprimeable number, because it can be changed into a prime (226664803) 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, 1920830 + ... + 1920947.

It is an arithmetic number, because the mean of its divisors is an integer number (57626670).

Almost surely, 2^226664843 is an apocalyptic number.

226664843 is a deficient number, since it is larger than the sum of its proper divisors (3841837).

226664843 is an equidigital number, since it uses as much as digits as its factorization.

226664843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841836.

The product of its digits is 331776, while the sum is 41.

The square root of 226664843 is about 15055.3924890718. The cubic root of 226664843 is about 609.7166497329.

The spelling of 226664843 in words is "two hundred twenty-six million, six hundred sixty-four thousand, eight hundred forty-three".