27221722043 has 2 divisors, whose sum is σ = 27221722044. Its totient is φ = 27221722042.

The previous prime is 27221722007. The next prime is 27221722049. The reversal of 27221722043 is 34022712272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27221722043 - 2⁶ = 27221721979 is a prime.

It is not a weakly prime, because it can be changed into another prime (27221722049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13610861021 + 13610861022.

It is an arithmetic number, because the mean of its divisors is an integer number (13610861022).

Almost surely, 2^27221722043 is an apocalyptic number.

27221722043 is a deficient number, since it is larger than the sum of its proper divisors (1).

27221722043 is an equidigital number, since it uses as much as digits as its factorization.

27221722043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 32.

The spelling of 27221722043 in words is "twenty-seven billion, two hundred twenty-one million, seven hundred twenty-two thousand, forty-three".