2194474 has 4 divisors (see below), whose sum is σ = 3291714. Its totient is φ = 1097236.

The previous prime is 2194471. The next prime is 2194487. The reversal of 2194474 is 4744912.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2082249 + 112225 = 1443^2 + 335^2 .

It is a super-2 number, since 2×2194474² = 9631432273352, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2194471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548617 + ... + 548620.

2^2194474 is an apocalyptic number.

2194474 is a deficient number, since it is larger than the sum of its proper divisors (1097240).

2194474 is a wasteful number, since it uses less digits than its factorization.

2194474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097239.

The product of its digits is 8064, while the sum is 31.

The square root of 2194474 is about 1481.3757119651. The cubic root of 2194474 is about 129.9501584081.

The spelling of 2194474 in words is "two million, one hundred ninety-four thousand, four hundred seventy-four".