2194533 has 24 divisors (see below), whose sum is σ = 3590496. Its totient is φ = 1328400.

The previous prime is 2194531. The next prime is 2194537. The reversal of 2194533 is 3354912.

2194533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2194533 - 2¹ = 2194531 is a prime.

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

2194533 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2194497 and 2194506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194531) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 2263 + ... + 3083.

It is an arithmetic number, because the mean of its divisors is an integer number (149604).

2^2194533 is an apocalyptic number.

It is an amenable number.

2194533 is a deficient number, since it is larger than the sum of its proper divisors (1395963).

2194533 is an equidigital number, since it uses as much as digits as its factorization.

2194533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847 (or 835 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 2194533 is about 1481.3956257530. The cubic root of 2194533 is about 129.9513229986.

The spelling of 2194533 in words is "two million, one hundred ninety-four thousand, five hundred thirty-three".