22312578936377 has 2 divisors, whose sum is σ = 22312578936378. Its totient is φ = 22312578936376.

The previous prime is 22312578936317. The next prime is 22312578936421. The reversal of 22312578936377 is 77363987521322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21802698680896 + 509880255481 = 4669336^2 + 714059^2 .

It is a cyclic number.

It is not a de Polignac number, because 22312578936377 - 2⁶ = 22312578936313 is a prime.

It is a super-3 number, since 3×22312578936377³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (22312578936317) 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, 11156289468188 + 11156289468189.

It is an arithmetic number, because the mean of its divisors is an integer number (11156289468189).

Almost surely, 2^{22312578936377} is an apocalyptic number.

It is an amenable number.

22312578936377 is a deficient number, since it is larger than the sum of its proper divisors (1).

22312578936377 is an equidigital number, since it uses as much as digits as its factorization.

22312578936377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 160030080, while the sum is 65.

The spelling of 22312578936377 in words is "twenty-two trillion, three hundred twelve billion, five hundred seventy-eight million, nine hundred thirty-six thousand, three hundred seventy-seven".