3645222341 has 2 divisors, whose sum is σ = 3645222342. Its totient is φ = 3645222340.

The previous prime is 3645222313. The next prime is 3645222349. The reversal of 3645222341 is 1432225463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2343528100 + 1301694241 = 48410^2 + 36079^2 .

It is an emirp because it is prime and its reverse (1432225463) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3645222341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3645222298 and 3645222307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3645222349) 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, 1822611170 + 1822611171.

It is an arithmetic number, because the mean of its divisors is an integer number (1822611171).

Almost surely, 2^3645222341 is an apocalyptic number.

It is an amenable number.

3645222341 is a deficient number, since it is larger than the sum of its proper divisors (1).

3645222341 is an equidigital number, since it uses as much as digits as its factorization.

3645222341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 32.

The square root of 3645222341 is about 60375.6767332673. The cubic root of 3645222341 is about 1539.0096433697.

The spelling of 3645222341 in words is "three billion, six hundred forty-five million, two hundred twenty-two thousand, three hundred forty-one".