22842855281669 has 2 divisors, whose sum is σ = 22842855281670. Its totient is φ = 22842855281668.

The previous prime is 22842855281647. The next prime is 22842855281683. The reversal of 22842855281669 is 96618255824822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22297642873444 + 545212408225 = 4722038^2 + 738385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22842855281669 is a prime.

It is a super-2 number, since 2×22842855281669² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22842855281599 and 22842855281608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22842855281639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11421427640834 + 11421427640835.

It is an arithmetic number, because the mean of its divisors is an integer number (11421427640835).

Almost surely, 2^{22842855281669} is an apocalyptic number.

It is an amenable number.

22842855281669 is a deficient number, since it is larger than the sum of its proper divisors (1).

22842855281669 is an equidigital number, since it uses as much as digits as its factorization.

22842855281669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 265420800, while the sum is 68.

The spelling of 22842855281669 in words is "twenty-two trillion, eight hundred forty-two billion, eight hundred fifty-five million, two hundred eighty-one thousand, six hundred sixty-nine".