268222067843 has 4 divisors (see below), whose sum is σ = 268990612800. Its totient is φ = 267453522888.

The previous prime is 268222067791. The next prime is 268222067891. The reversal of 268222067843 is 348760222862.

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-268222067843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268222067791 and 268222067800.

It is not an unprimeable number, because it can be changed into a prime (268222067143) 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, 384271955 + ... + 384272652.

It is an arithmetic number, because the mean of its divisors is an integer number (67247653200).

Almost surely, 2^268222067843 is an apocalyptic number.

268222067843 is a deficient number, since it is larger than the sum of its proper divisors (768544957).

268222067843 is an equidigital number, since it uses as much as digits as its factorization.

268222067843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768544956.

The product of its (nonzero) digits is 3096576, while the sum is 50.

The spelling of 268222067843 in words is "two hundred sixty-eight billion, two hundred twenty-two million, sixty-seven thousand, eight hundred forty-three".