22303857508409 has 2 divisors, whose sum is σ = 22303857508410. Its totient is φ = 22303857508408.

The previous prime is 22303857508403. The next prime is 22303857508459. The reversal of 22303857508409 is 90480575830322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21355674288400 + 948183220009 = 4621220^2 + 973747^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22303857508409 is a prime.

It is a super-2 number, since 2×22303857508409² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22303857508403) 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, 11151928754204 + 11151928754205.

It is an arithmetic number, because the mean of its divisors is an integer number (11151928754205).

Almost surely, 2^{22303857508409} is an apocalyptic number.

It is an amenable number.

22303857508409 is a deficient number, since it is larger than the sum of its proper divisors (1).

22303857508409 is an equidigital number, since it uses as much as digits as its factorization.

22303857508409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 22303857508409 in words is "twenty-two trillion, three hundred three billion, eight hundred fifty-seven million, five hundred eight thousand, four hundred nine".