22842855281647 has 2 divisors, whose sum is σ = 22842855281648. Its totient is φ = 22842855281646.

The previous prime is 22842855281639. The next prime is 22842855281669. The reversal of 22842855281647 is 74618255824822.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22842855281647 - 2³ = 22842855281639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22842855281047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11421427640823 + 11421427640824.

It is an arithmetic number, because the mean of its divisors is an integer number (11421427640824).

Almost surely, 2^{22842855281647} is an apocalyptic number.

22842855281647 is a deficient number, since it is larger than the sum of its proper divisors (1).

22842855281647 is an equidigital number, since it uses as much as digits as its factorization.

22842855281647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 137625600, while the sum is 64.

The spelling of 22842855281647 in words is "twenty-two trillion, eight hundred forty-two billion, eight hundred fifty-five million, two hundred eighty-one thousand, six hundred forty-seven".