622325401 has 2 divisors, whose sum is σ = 622325402. Its totient is φ = 622325400.

The previous prime is 622325393. The next prime is 622325419. The reversal of 622325401 is 104523226.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 599515225 + 22810176 = 24485^2 + 4776^2 .

It is a cyclic number.

It is not a de Polignac number, because 622325401 - 2³ = 622325393 is a prime.

It is not a weakly prime, because it can be changed into another prime (622325801) 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, 311162700 + 311162701.

It is an arithmetic number, because the mean of its divisors is an integer number (311162701).

Almost surely, 2^622325401 is an apocalyptic number.

It is an amenable number.

622325401 is a deficient number, since it is larger than the sum of its proper divisors (1).

622325401 is an equidigital number, since it uses as much as digits as its factorization.

622325401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 622325401 is about 24946.4506693838. The cubic root of 622325401 is about 853.7666295002.

Adding to 622325401 its reverse (104523226), we get a palindrome (726848627).

The spelling of 622325401 in words is "six hundred twenty-two million, three hundred twenty-five thousand, four hundred one".