42222222089 has 2 divisors, whose sum is σ = 42222222090. Its totient is φ = 42222222088.

The previous prime is 42222221999. The next prime is 42222222113. The reversal of 42222222089 is 98022222224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23256250000 + 18965972089 = 152500^2 + 137717^2 .

It is a cyclic number.

It is not a de Polignac number, because 42222222089 - 2¹² = 42222217993 is a prime.

It is not a weakly prime, because it can be changed into another prime (42222222989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21111111044 + 21111111045.

It is an arithmetic number, because the mean of its divisors is an integer number (21111111045).

Almost surely, 2^42222222089 is an apocalyptic number.

It is an amenable number.

42222222089 is a deficient number, since it is larger than the sum of its proper divisors (1).

42222222089 is an equidigital number, since it uses as much as digits as its factorization.

42222222089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 42222222089 in words is "forty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, eighty-nine".