622221439139 has 2 divisors, whose sum is σ = 622221439140. Its totient is φ = 622221439138.

The previous prime is 622221439027. The next prime is 622221439141. The reversal of 622221439139 is 931934122226.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-622221439139 is a prime.

It is a super-2 number, since 2×622221439139² (a number of 24 digits) contains 22 as substring.

Together with 622221439141, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 622221439139.

It is not a weakly prime, because it can be changed into another prime (622221439339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311110719569 + 311110719570.

It is an arithmetic number, because the mean of its divisors is an integer number (311110719570).

Almost surely, 2^622221439139 is an apocalyptic number.

622221439139 is a deficient number, since it is larger than the sum of its proper divisors (1).

622221439139 is an equidigital number, since it uses as much as digits as its factorization.

622221439139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 44.

The spelling of 622221439139 in words is "six hundred twenty-two billion, two hundred twenty-one million, four hundred thirty-nine thousand, one hundred thirty-nine".