622449041 has 2 divisors, whose sum is σ = 622449042. Its totient is φ = 622449040.

The previous prime is 622449019. The next prime is 622449043. The reversal of 622449041 is 140944226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 450288400 + 172160641 = 21220^2 + 13121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-622449041 is a prime.

Together with 622449043, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 622448989 and 622449007.

It is not a weakly prime, because it can be changed into another prime (622449043) 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, 311224520 + 311224521.

It is an arithmetic number, because the mean of its divisors is an integer number (311224521).

Almost surely, 2^622449041 is an apocalyptic number.

It is an amenable number.

622449041 is a deficient number, since it is larger than the sum of its proper divisors (1).

622449041 is an equidigital number, since it uses as much as digits as its factorization.

622449041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 622449041 is about 24948.9286543531. The cubic root of 622449041 is about 853.8231662230.

The spelling of 622449041 in words is "six hundred twenty-two million, four hundred forty-nine thousand, forty-one".