2215099 has 2 divisors, whose sum is σ = 2215100. Its totient is φ = 2215098.

The previous prime is 2215097. The next prime is 2215111. The reversal of 2215099 is 9905122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2215099 - 2¹ = 2215097 is a prime.

Together with 2215097, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2215091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107549 + 1107550.

It is an arithmetic number, because the mean of its divisors is an integer number (1107550).

2^2215099 is an apocalyptic number.

2215099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215099 is an equidigital number, since it uses as much as digits as its factorization.

2215099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 2215099 is about 1488.3208659426. The cubic root of 2215099 is about 130.3560064310.

The spelling of 2215099 in words is "two million, two hundred fifteen thousand, ninety-nine".