22540562451343 has 2 divisors, whose sum is σ = 22540562451344. Its totient is φ = 22540562451342.

The previous prime is 22540562451317. The next prime is 22540562451383. The reversal of 22540562451343 is 34315426504522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22540562451343 - 2¹⁷ = 22540562320271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22540562451293 and 22540562451302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22540562451383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11270281225671 + 11270281225672.

It is an arithmetic number, because the mean of its divisors is an integer number (11270281225672).

Almost surely, 2^{22540562451343} is an apocalyptic number.

22540562451343 is a deficient number, since it is larger than the sum of its proper divisors (1).

22540562451343 is an equidigital number, since it uses as much as digits as its factorization.

22540562451343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456000, while the sum is 46.

Adding to 22540562451343 its reverse (34315426504522), we get a palindrome (56855988955865).

The spelling of 22540562451343 in words is "twenty-two trillion, five hundred forty billion, five hundred sixty-two million, four hundred fifty-one thousand, three hundred forty-three".