22705297943 has 2 divisors, whose sum is σ = 22705297944. Its totient is φ = 22705297942.

The previous prime is 22705297897. The next prime is 22705297963. The reversal of 22705297943 is 34979250722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22705297943 - 2¹⁸ = 22705035799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22705297891 and 22705297900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22705297963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11352648971 + 11352648972.

It is an arithmetic number, because the mean of its divisors is an integer number (11352648972).

Almost surely, 2^22705297943 is an apocalyptic number.

22705297943 is a deficient number, since it is larger than the sum of its proper divisors (1).

22705297943 is an equidigital number, since it uses as much as digits as its factorization.

22705297943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 22705297943 in words is "twenty-two billion, seven hundred five million, two hundred ninety-seven thousand, nine hundred forty-three".