268222067842 has 4 divisors (see below), whose sum is σ = 402333101766. Its totient is φ = 134111033920.

The previous prime is 268222067791. The next prime is 268222067891. The reversal of 268222067842 is 248760222862.

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

It can be written as a sum of positive squares in only one way, i.e., 179215908921 + 89006158921 = 423339^2 + 298339^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67055516959 + ... + 67055516962.

Almost surely, 2^268222067842 is an apocalyptic number.

268222067842 is a deficient number, since it is larger than the sum of its proper divisors (134111033924).

268222067842 is a wasteful number, since it uses less digits than its factorization.

268222067842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134111033923.

The product of its (nonzero) digits is 2064384, while the sum is 49.

The spelling of 268222067842 in words is "two hundred sixty-eight billion, two hundred twenty-two million, sixty-seven thousand, eight hundred forty-two".