268222067812 has 24 divisors (see below), whose sum is σ = 482098198904. Its totient is φ = 130480077312.

The previous prime is 268222067791. The next prime is 268222067891. The reversal of 268222067812 is 218760222862.

It can be written as a sum of positive squares in 4 ways, for example, as 51006415716 + 217215652096 = 225846^2 + 466064^2 .

It is a super-2 number, since 2×268222067812² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4844188 + ... + 4899244.

Almost surely, 2^268222067812 is an apocalyptic number.

It is an amenable number.

268222067812 is a deficient number, since it is larger than the sum of its proper divisors (213876131092).

268222067812 is a wasteful number, since it uses less digits than its factorization.

268222067812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88015 (or 88013 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 46.

The spelling of 268222067812 in words is "two hundred sixty-eight billion, two hundred twenty-two million, sixty-seven thousand, eight hundred twelve".