2194826 has 4 divisors (see below), whose sum is σ = 3292242. Its totient is φ = 1097412.

The previous prime is 2194811. The next prime is 2194847. The reversal of 2194826 is 6284912.

2194826 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 1836025 + 358801 = 1355^2 + 599^2 .

It is a super-2 number, since 2×2194826² = 9634522340552, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2194792 and 2194801.

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 as a sum of consecutive naturals, namely, 548705 + ... + 548708.

2^2194826 is an apocalyptic number.

2194826 is a deficient number, since it is larger than the sum of its proper divisors (1097416).

2194826 is a wasteful number, since it uses less digits than its factorization.

2194826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097415.

The product of its digits is 6912, while the sum is 32.

The square root of 2194826 is about 1481.4945156834. The cubic root of 2194826 is about 129.9571061642.

The spelling of 2194826 in words is "two million, one hundred ninety-four thousand, eight hundred twenty-six".