2194215 has 16 divisors (see below), whose sum is σ = 3696000. Its totient is φ = 1108512.

The previous prime is 2194201. The next prime is 2194229. The reversal of 2194215 is 5124912.

It is an interprime number because it is at equal distance from previous prime (2194201) and next prime (2194229).

It is not a de Polignac number, because 2194215 - 2⁸ = 2193959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3565 + ... + 4134.

It is an arithmetic number, because the mean of its divisors is an integer number (231000).

2^2194215 is an apocalyptic number.

2194215 is a deficient number, since it is larger than the sum of its proper divisors (1501785).

2194215 is a wasteful number, since it uses less digits than its factorization.

2194215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7726.

The product of its digits is 720, while the sum is 24.

The square root of 2194215 is about 1481.2882906443. The cubic root of 2194215 is about 129.9450458063.

The spelling of 2194215 in words is "two million, one hundred ninety-four thousand, two hundred fifteen".