2022556067621 has 2 divisors, whose sum is σ = 2022556067622. Its totient is φ = 2022556067620.

The previous prime is 2022556067591. The next prime is 2022556067629. The reversal of 2022556067621 is 1267606552202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1685504992900 + 337051074721 = 1298270^2 + 580561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2022556067621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022556067629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011278033810 + 1011278033811.

It is an arithmetic number, because the mean of its divisors is an integer number (1011278033811).

Almost surely, 2^{2022556067621} is an apocalyptic number.

It is an amenable number.

2022556067621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022556067621 is an equidigital number, since it uses as much as digits as its factorization.

2022556067621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 2022556067621 in words is "two trillion, twenty-two billion, five hundred fifty-six million, sixty-seven thousand, six hundred twenty-one".