22230442109 has 2 divisors, whose sum is σ = 22230442110. Its totient is φ = 22230442108.

The previous prime is 22230442099. The next prime is 22230442123. The reversal of 22230442109 is 90124403222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18660379609 + 3570062500 = 136603^2 + 59750^2 .

It is a cyclic number.

It is not a de Polignac number, because 22230442109 - 2¹⁶ = 22230376573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22230442189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11115221054 + 11115221055.

It is an arithmetic number, because the mean of its divisors is an integer number (11115221055).

Almost surely, 2^22230442109 is an apocalyptic number.

It is an amenable number.

22230442109 is a deficient number, since it is larger than the sum of its proper divisors (1).

22230442109 is an equidigital number, since it uses as much as digits as its factorization.

22230442109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 22230442109 in words is "twenty-two billion, two hundred thirty million, four hundred forty-two thousand, one hundred nine".