22554505243 has 2 divisors, whose sum is σ = 22554505244. Its totient is φ = 22554505242.

The previous prime is 22554505231. The next prime is 22554505247. The reversal of 22554505243 is 34250545522.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22554505243 is a prime.

It is not a weakly prime, because it can be changed into another prime (22554505247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11277252621 + 11277252622.

It is an arithmetic number, because the mean of its divisors is an integer number (11277252622).

Almost surely, 2^22554505243 is an apocalyptic number.

22554505243 is a deficient number, since it is larger than the sum of its proper divisors (1).

22554505243 is an equidigital number, since it uses as much as digits as its factorization.

22554505243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240000, while the sum is 37.

The spelling of 22554505243 in words is "twenty-two billion, five hundred fifty-four million, five hundred five thousand, two hundred forty-three".