622232473 has 2 divisors, whose sum is σ = 622232474. Its totient is φ = 622232472.

The previous prime is 622232447. The next prime is 622232477. The reversal of 622232473 is 374232226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 487393929 + 134838544 = 22077^2 + 11612^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-622232473 is a prime.

It is not a weakly prime, because it can be changed into another prime (622232477) 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, 311116236 + 311116237.

It is an arithmetic number, because the mean of its divisors is an integer number (311116237).

Almost surely, 2^622232473 is an apocalyptic number.

It is an amenable number.

622232473 is a deficient number, since it is larger than the sum of its proper divisors (1).

622232473 is an equidigital number, since it uses as much as digits as its factorization.

622232473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 31.

The square root of 622232473 is about 24944.5880503166. The cubic root of 622232473 is about 853.7241314894.

Adding to 622232473 its reverse (374232226), we get a palindrome (996464699).

The spelling of 622232473 in words is "six hundred twenty-two million, two hundred thirty-two thousand, four hundred seventy-three".