2194071 has 16 divisors (see below), whose sum is σ = 3379968. Its totient is φ = 1251200.

The previous prime is 2194069. The next prime is 2194133. The reversal of 2194071 is 1704912.

It is not a de Polignac number, because 2194071 - 2¹ = 2194069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194021) 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, 1395 + ... + 2516.

It is an arithmetic number, because the mean of its divisors is an integer number (211248).

2^2194071 is an apocalyptic number.

2194071 is a deficient number, since it is larger than the sum of its proper divisors (1185897).

2194071 is a wasteful number, since it uses less digits than its factorization.

2194071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 2194071 is about 1481.2396835084. The cubic root of 2194071 is about 129.9422031046.

Adding to 2194071 its reverse (1704912), we get a palindrome (3898983).

The spelling of 2194071 in words is "two million, one hundred ninety-four thousand, seventy-one".