2622323021 has 2 divisors, whose sum is σ = 2622323022. Its totient is φ = 2622323020.

The previous prime is 2622322993. The next prime is 2622323047. The reversal of 2622323021 is 1203232262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2003010025 + 619312996 = 44755^2 + 24886^2 .

It is a cyclic number.

It is not a de Polignac number, because 2622323021 - 2⁶ = 2622322957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2622323071) 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, 1311161510 + 1311161511.

It is an arithmetic number, because the mean of its divisors is an integer number (1311161511).

Almost surely, 2^2622323021 is an apocalyptic number.

It is an amenable number.

2622323021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2622323021 is an equidigital number, since it uses as much as digits as its factorization.

2622323021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2622323021 is about 51208.6225258989. The cubic root of 2622323021 is about 1378.9930028499.

Adding to 2622323021 its reverse (1203232262), we get a palindrome (3825555283).

The spelling of 2622323021 in words is "two billion, six hundred twenty-two million, three hundred twenty-three thousand, twenty-one".