22366437874309 has 2 divisors, whose sum is σ = 22366437874310. Its totient is φ = 22366437874308.

The previous prime is 22366437874271. The next prime is 22366437874327. The reversal of 22366437874309 is 90347873466322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19888656508900 + 2477781365409 = 4459670^2 + 1574097^2 .

It is a cyclic number.

It is not a de Polignac number, because 22366437874309 - 2²⁷ = 22366303656581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22366437874349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11183218937154 + 11183218937155.

It is an arithmetic number, because the mean of its divisors is an integer number (11183218937155).

Almost surely, 2^{22366437874309} is an apocalyptic number.

It is an amenable number.

22366437874309 is a deficient number, since it is larger than the sum of its proper divisors (1).

22366437874309 is an equidigital number, since it uses as much as digits as its factorization.

22366437874309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 219469824, while the sum is 64.

The spelling of 22366437874309 in words is "twenty-two trillion, three hundred sixty-six billion, four hundred thirty-seven million, eight hundred seventy-four thousand, three hundred nine".