4222305053521 has 2 divisors, whose sum is σ = 4222305053522. Its totient is φ = 4222305053520.

The previous prime is 4222305053437. The next prime is 4222305053581. The reversal of 4222305053521 is 1253505032224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2672280053521 + 1550025000000 = 1634711^2 + 1245000^2 .

It is a cyclic number.

It is not a de Polignac number, because 4222305053521 - 2¹⁵ = 4222305020753 is a prime.

It is not a weakly prime, because it can be changed into another prime (4222305053581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111152526760 + 2111152526761.

It is an arithmetic number, because the mean of its divisors is an integer number (2111152526761).

Almost surely, 2^{4222305053521} is an apocalyptic number.

It is an amenable number.

4222305053521 is a deficient number, since it is larger than the sum of its proper divisors (1).

4222305053521 is an equidigital number, since it uses as much as digits as its factorization.

4222305053521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 4222305053521 in words is "four trillion, two hundred twenty-two billion, three hundred five million, fifty-three thousand, five hundred twenty-one".