71222023 has 2 divisors, whose sum is σ = 71222024. Its totient is φ = 71222022.

The previous prime is 71221991. The next prime is 71222029. The reversal of 71222023 is 32022217.

It is a strong prime.

It is an emirp because it is prime and its reverse (32022217) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71222023 - 2⁵ = 71221991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71222029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35611011 + 35611012.

It is an arithmetic number, because the mean of its divisors is an integer number (35611012).

Almost surely, 2^71222023 is an apocalyptic number.

71222023 is a deficient number, since it is larger than the sum of its proper divisors (1).

71222023 is an equidigital number, since it uses as much as digits as its factorization.

71222023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 71222023 is about 8439.3141308995. The cubic root of 71222023 is about 414.5129487162.

The spelling of 71222023 in words is "seventy-one million, two hundred twenty-two thousand, twenty-three".