22303340312237 has 2 divisors, whose sum is σ = 22303340312238. Its totient is φ = 22303340312236.

The previous prime is 22303340312233. The next prime is 22303340312299. The reversal of 22303340312237 is 73221304330322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17799463161481 + 4503877150756 = 4218941^2 + 2122234^2 .

It is a cyclic number.

It is not a de Polignac number, because 22303340312237 - 2² = 22303340312233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22303340312197 and 22303340312206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22303340312233) 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, 11151670156118 + 11151670156119.

It is an arithmetic number, because the mean of its divisors is an integer number (11151670156119).

Almost surely, 2^{22303340312237} is an apocalyptic number.

It is an amenable number.

22303340312237 is a deficient number, since it is larger than the sum of its proper divisors (1).

22303340312237 is an equidigital number, since it uses as much as digits as its factorization.

22303340312237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 35.

Adding to 22303340312237 its reverse (73221304330322), we get a palindrome (95524644642559).

The spelling of 22303340312237 in words is "twenty-two trillion, three hundred three billion, three hundred forty million, three hundred twelve thousand, two hundred thirty-seven".