622469923 has 2 divisors, whose sum is σ = 622469924. Its totient is φ = 622469922.

The previous prime is 622469873. The next prime is 622469941. The reversal of 622469923 is 329964226.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 622469923 - 2¹⁷ = 622338851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 622469923.

It is not a weakly prime, because it can be changed into another prime (622469123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311234961 + 311234962.

It is an arithmetic number, because the mean of its divisors is an integer number (311234962).

Almost surely, 2^622469923 is an apocalyptic number.

622469923 is a deficient number, since it is larger than the sum of its proper divisors (1).

622469923 is an equidigital number, since it uses as much as digits as its factorization.

622469923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 43.

The square root of 622469923 is about 24949.3471457672. The cubic root of 622469923 is about 853.8327141725.

The spelling of 622469923 in words is "six hundred twenty-two million, four hundred sixty-nine thousand, nine hundred twenty-three".