622264009 has 2 divisors, whose sum is σ = 622264010. Its totient is φ = 622264008.

The previous prime is 622263953. The next prime is 622264033. The reversal of 622264009 is 900462226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 392832400 + 229431609 = 19820^2 + 15147^2 .

It is a cyclic number.

It is not a de Polignac number, because 622264009 - 2⁹ = 622263497 is a prime.

It is not a weakly prime, because it can be changed into another prime (622264099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311132004 + 311132005.

It is an arithmetic number, because the mean of its divisors is an integer number (311132005).

Almost surely, 2^622264009 is an apocalyptic number.

It is an amenable number.

622264009 is a deficient number, since it is larger than the sum of its proper divisors (1).

622264009 is an equidigital number, since it uses as much as digits as its factorization.

622264009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 622264009 is about 24945.2201633900. The cubic root of 622264009 is about 853.7385540675.

The spelling of 622264009 in words is "six hundred twenty-two million, two hundred sixty-four thousand, nine".