20221474329943 has 2 divisors, whose sum is σ = 20221474329944. Its totient is φ = 20221474329942.

The previous prime is 20221474329941. The next prime is 20221474330003. The reversal of 20221474329943 is 34992347412202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20221474329943 - 2¹ = 20221474329941 is a prime.

Together with 20221474329941, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20221474329941) 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, 10110737164971 + 10110737164972.

It is an arithmetic number, because the mean of its divisors is an integer number (10110737164972).

Almost surely, 2^{20221474329943} is an apocalyptic number.

20221474329943 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221474329943 is an equidigital number, since it uses as much as digits as its factorization.

20221474329943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 52.

The spelling of 20221474329943 in words is "twenty trillion, two hundred twenty-one billion, four hundred seventy-four million, three hundred twenty-nine thousand, nine hundred forty-three".