105622661 has 2 divisors, whose sum is σ = 105622662. Its totient is φ = 105622660.

The previous prime is 105622637. The next prime is 105622687. The reversal of 105622661 is 166226501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98386561 + 7236100 = 9919^2 + 2690^2 .

It is a cyclic number.

It is not a de Polignac number, because 105622661 - 2⁶ = 105622597 is a prime.

It is a super-2 number, since 2×105622661² = 22312293033441842, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105622261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52811330 + 52811331.

It is an arithmetic number, because the mean of its divisors is an integer number (52811331).

Almost surely, 2^105622661 is an apocalyptic number.

It is an amenable number.

105622661 is a deficient number, since it is larger than the sum of its proper divisors (1).

105622661 is an equidigital number, since it uses as much as digits as its factorization.

105622661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 105622661 is about 10277.2886015719. The cubic root of 105622661 is about 472.7001080309.

The spelling of 105622661 in words is "one hundred five million, six hundred twenty-two thousand, six hundred sixty-one".