42222011009 has 2 divisors, whose sum is σ = 42222011010. Its totient is φ = 42222011008.

The previous prime is 42222011003. The next prime is 42222011057. The reversal of 42222011009 is 90011022224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22960734784 + 19261276225 = 151528^2 + 138785^2 .

It is a cyclic number.

It is not a de Polignac number, because 42222011009 - 2⁴ = 42222010993 is a prime.

It is not a weakly prime, because it can be changed into another prime (42222011003) 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, 21111005504 + 21111005505.

It is an arithmetic number, because the mean of its divisors is an integer number (21111005505).

Almost surely, 2^42222011009 is an apocalyptic number.

It is an amenable number.

42222011009 is a deficient number, since it is larger than the sum of its proper divisors (1).

42222011009 is an equidigital number, since it uses as much as digits as its factorization.

42222011009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 42222011009 in words is "forty-two billion, two hundred twenty-two million, eleven thousand, nine".