68022222181827 has 16 divisors (see below), whose sum is σ = 94664538673920. Its totient is φ = 43365065455712.

The previous prime is 68022222181811. The next prime is 68022222181843. The reversal of 68022222181827 is 72818122222086.

It is an interprime number because it is at equal distance from previous prime (68022222181811) and next prime (68022222181843).

It is a cyclic number.

It is not a de Polignac number, because 68022222181827 - 2⁴ = 68022222181811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68022222181827.

It is not an unprimeable number, because it can be changed into a prime (68022222181847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129554877 + ... + 130078862.

It is an arithmetic number, because the mean of its divisors is an integer number (5916533667120).

Almost surely, 2^{68022222181827} is an apocalyptic number.

68022222181827 is a deficient number, since it is larger than the sum of its proper divisors (26642316492093).

68022222181827 is a wasteful number, since it uses less digits than its factorization.

68022222181827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259637562.

The product of its (nonzero) digits is 1376256, while the sum is 51.

The spelling of 68022222181827 in words is "sixty-eight trillion, twenty-two billion, two hundred twenty-two million, one hundred eighty-one thousand, eight hundred twenty-seven".