105422861 has 2 divisors, whose sum is σ = 105422862. Its totient is φ = 105422860.

The previous prime is 105422857. The next prime is 105422873. The reversal of 105422861 is 168224501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89661961 + 15760900 = 9469^2 + 3970^2 .

It is an emirp because it is prime and its reverse (168224501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105422861 - 2² = 105422857 is a prime.

It is a super-2 number, since 2×105422861² = 22227959242850642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105422851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52711430 + 52711431.

It is an arithmetic number, because the mean of its divisors is an integer number (52711431).

Almost surely, 2^105422861 is an apocalyptic number.

It is an amenable number.

105422861 is a deficient number, since it is larger than the sum of its proper divisors (1).

105422861 is an equidigital number, since it uses as much as digits as its factorization.

105422861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 105422861 is about 10267.5635376656. The cubic root of 105422861 is about 472.4018604906.

The spelling of 105422861 in words is "one hundred five million, four hundred twenty-two thousand, eight hundred sixty-one".