2215005641 has 2 divisors, whose sum is σ = 2215005642. Its totient is φ = 2215005640.

The previous prime is 2215005623. The next prime is 2215005647. The reversal of 2215005641 is 1465005122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1712304400 + 502701241 = 41380^2 + 22421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2215005641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2215005641.

It is not a weakly prime, because it can be changed into another prime (2215005647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107502820 + 1107502821.

It is an arithmetic number, because the mean of its divisors is an integer number (1107502821).

Almost surely, 2^2215005641 is an apocalyptic number.

It is an amenable number.

2215005641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215005641 is an equidigital number, since it uses as much as digits as its factorization.

2215005641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2215005641 is about 47063.8464322669. The cubic root of 2215005641 is about 1303.5417504903.

The spelling of 2215005641 in words is "two billion, two hundred fifteen million, five thousand, six hundred forty-one".