622904941 has 2 divisors, whose sum is σ = 622904942. Its totient is φ = 622904940.

The previous prime is 622904927. The next prime is 622904951. The reversal of 622904941 is 149409226.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 613602441 + 9302500 = 24771^2 + 3050^2 .

It is a cyclic number.

It is not a de Polignac number, because 622904941 - 2¹¹ = 622902893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 622904941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622904951) 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, 311452470 + 311452471.

It is an arithmetic number, because the mean of its divisors is an integer number (311452471).

Almost surely, 2^622904941 is an apocalyptic number.

It is an amenable number.

622904941 is a deficient number, since it is larger than the sum of its proper divisors (1).

622904941 is an equidigital number, since it uses as much as digits as its factorization.

622904941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 622904941 is about 24958.0636468457. The cubic root of 622904941 is about 854.0315704242.

The spelling of 622904941 in words is "six hundred twenty-two million, nine hundred four thousand, nine hundred forty-one".