4222108861 has 2 divisors, whose sum is σ = 4222108862. Its totient is φ = 4222108860.

The previous prime is 4222108799. The next prime is 4222108867. The reversal of 4222108861 is 1688012224.

4222108861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3816891961 + 405216900 = 61781^2 + 20130^2 .

It is a cyclic number.

It is not a de Polignac number, because 4222108861 - 2⁷ = 4222108733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4222108867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111054430 + 2111054431.

It is an arithmetic number, because the mean of its divisors is an integer number (2111054431).

Almost surely, 2^4222108861 is an apocalyptic number.

It is an amenable number.

4222108861 is a deficient number, since it is larger than the sum of its proper divisors (1).

4222108861 is an equidigital number, since it uses as much as digits as its factorization.

4222108861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 4222108861 is about 64977.7566633383. The cubic root of 4222108861 is about 1616.2547302359.

The spelling of 4222108861 in words is "four billion, two hundred twenty-two million, one hundred eight thousand, eight hundred sixty-one".