22556020243 has 2 divisors, whose sum is σ = 22556020244. Its totient is φ = 22556020242.

The previous prime is 22556020231. The next prime is 22556020247. The reversal of 22556020243 is 34202065522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22556020243 - 2¹⁷ = 22555889171 is a prime.

It is not a weakly prime, because it can be changed into another prime (22556020247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11278010121 + 11278010122.

It is an arithmetic number, because the mean of its divisors is an integer number (11278010122).

Almost surely, 2^22556020243 is an apocalyptic number.

22556020243 is a deficient number, since it is larger than the sum of its proper divisors (1).

22556020243 is an equidigital number, since it uses as much as digits as its factorization.

22556020243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 22556020243 its reverse (34202065522), we get a palindrome (56758085765).

The spelling of 22556020243 in words is "twenty-two billion, five hundred fifty-six million, twenty thousand, two hundred forty-three".