22144100009 has 2 divisors, whose sum is σ = 22144100010. Its totient is φ = 22144100008.

The previous prime is 22144099981. The next prime is 22144100021. The reversal of 22144100009 is 90000144122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17212128025 + 4931971984 = 131195^2 + 70228^2 .

It is a cyclic number.

It is not a de Polignac number, because 22144100009 - 2¹² = 22144095913 is a prime.

It is a super-2 number, since 2×22144100009² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22144100039) 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, 11072050004 + 11072050005.

It is an arithmetic number, because the mean of its divisors is an integer number (11072050005).

Almost surely, 2^22144100009 is an apocalyptic number.

It is an amenable number.

22144100009 is a deficient number, since it is larger than the sum of its proper divisors (1).

22144100009 is an equidigital number, since it uses as much as digits as its factorization.

22144100009 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 22144100009 in words is "twenty-two billion, one hundred forty-four million, one hundred thousand, nine".