268222067827 has 4 divisors (see below), whose sum is σ = 306539506096. Its totient is φ = 229904629560.

The previous prime is 268222067791. The next prime is 268222067891. The reversal of 268222067827 is 728760222862.

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 268222067827 - 2²³ = 268213679219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268222067227) 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, 19158719124 + ... + 19158719137.

It is an arithmetic number, because the mean of its divisors is an integer number (76634876524).

Almost surely, 2^268222067827 is an apocalyptic number.

268222067827 is a deficient number, since it is larger than the sum of its proper divisors (38317438269).

268222067827 is an equidigital number, since it uses as much as digits as its factorization.

268222067827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38317438268.

The product of its (nonzero) digits is 3612672, while the sum is 52.

The spelling of 268222067827 in words is "two hundred sixty-eight billion, two hundred twenty-two million, sixty-seven thousand, eight hundred twenty-seven".