2194317 has 16 divisors (see below), whose sum is σ = 3302080. Its totient is φ = 1439856.

The previous prime is 2194301. The next prime is 2194319. The reversal of 2194317 is 7134912.

It is not a de Polignac number, because 2194317 - 2⁴ = 2194301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1203 + ... + 2415.

It is an arithmetic number, because the mean of its divisors is an integer number (206380).

2^2194317 is an apocalyptic number.

2194317 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2194317 is a deficient number, since it is larger than the sum of its proper divisors (1107763).

2194317 is a wasteful number, since it uses less digits than its factorization.

2194317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289 (or 1283 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 2194317 is about 1481.3227197340. The cubic root of 2194317 is about 129.9470593114.

The spelling of 2194317 in words is "two million, one hundred ninety-four thousand, three hundred seventeen".