622688234873 has 2 divisors, whose sum is σ = 622688234874. Its totient is φ = 622688234872.

The previous prime is 622688234827. The next prime is 622688234897. The reversal of 622688234873 is 378432886226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 421672305769 + 201015929104 = 649363^2 + 448348^2 .

It is a cyclic number.

It is not a de Polignac number, because 622688234873 - 2¹² = 622688230777 is a prime.

It is a super-2 number, since 2×622688234873² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (622688234173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311344117436 + 311344117437.

It is an arithmetic number, because the mean of its divisors is an integer number (311344117437).

Almost surely, 2^622688234873 is an apocalyptic number.

It is an amenable number.

622688234873 is a deficient number, since it is larger than the sum of its proper divisors (1).

622688234873 is an equidigital number, since it uses as much as digits as its factorization.

622688234873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37158912, while the sum is 59.

The spelling of 622688234873 in words is "six hundred twenty-two billion, six hundred eighty-eight million, two hundred thirty-four thousand, eight hundred seventy-three".