2215398371 has 2 divisors, whose sum is σ = 2215398372. Its totient is φ = 2215398370.

The previous prime is 2215398359. The next prime is 2215398391. The reversal of 2215398371 is 1738935122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2215398371 is a prime.

It is not a weakly prime, because it can be changed into another prime (2215398331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107699185 + 1107699186.

It is an arithmetic number, because the mean of its divisors is an integer number (1107699186).

Almost surely, 2^2215398371 is an apocalyptic number.

2215398371 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215398371 is an equidigital number, since it uses as much as digits as its factorization.

2215398371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 2215398371 is about 47068.0185582525. The cubic root of 2215398371 is about 1303.6187871185.

The spelling of 2215398371 in words is "two billion, two hundred fifteen million, three hundred ninety-eight thousand, three hundred seventy-one".