22401292909 has 2 divisors, whose sum is σ = 22401292910. Its totient is φ = 22401292908.

The previous prime is 22401292873. The next prime is 22401292931. The reversal of 22401292909 is 90929210422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11951955625 + 10449337284 = 109325^2 + 102222^2 .

It is a cyclic number.

It is not a de Polignac number, because 22401292909 - 2¹¹ = 22401290861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22401292009) 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, 11200646454 + 11200646455.

It is an arithmetic number, because the mean of its divisors is an integer number (11200646455).

Almost surely, 2^22401292909 is an apocalyptic number.

It is an amenable number.

22401292909 is a deficient number, since it is larger than the sum of its proper divisors (1).

22401292909 is an equidigital number, since it uses as much as digits as its factorization.

22401292909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 22401292909 in words is "twenty-two billion, four hundred one million, two hundred ninety-two thousand, nine hundred nine".