2194515 has 12 divisors (see below), whose sum is σ = 3803904. Its totient is φ = 1170384.

The previous prime is 2194501. The next prime is 2194529. The reversal of 2194515 is 5154912.

2194515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2194501) and next prime (2194529).

It is not a de Polignac number, because 2194515 - 2¹⁴ = 2178131 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24339 + ... + 24428.

It is an arithmetic number, because the mean of its divisors is an integer number (316992).

2^2194515 is an apocalyptic number.

2194515 is a deficient number, since it is larger than the sum of its proper divisors (1609389).

2194515 is a wasteful number, since it uses less digits than its factorization.

2194515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48778 (or 48775 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 2194515 is about 1481.3895503884. The cubic root of 2194515 is about 129.9509677020.

The spelling of 2194515 in words is "two million, one hundred ninety-four thousand, five hundred fifteen".