28222105061 has 2 divisors, whose sum is σ = 28222105062. Its totient is φ = 28222105060.

The previous prime is 28222105057. The next prime is 28222105063. The reversal of 28222105061 is 16050122282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17064196900 + 11157908161 = 130630^2 + 105631^2 .

It is a cyclic number.

It is not a de Polignac number, because 28222105061 - 2² = 28222105057 is a prime.

Together with 28222105063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28222105063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14111052530 + 14111052531.

It is an arithmetic number, because the mean of its divisors is an integer number (14111052531).

Almost surely, 2^28222105061 is an apocalyptic number.

It is an amenable number.

28222105061 is a deficient number, since it is larger than the sum of its proper divisors (1).

28222105061 is an equidigital number, since it uses as much as digits as its factorization.

28222105061 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 spelling of 28222105061 in words is "twenty-eight billion, two hundred twenty-two million, one hundred five thousand, sixty-one".