2194733 has 4 divisors (see below), whose sum is σ = 2198748. Its totient is φ = 2190720.

The previous prime is 2194723. The next prime is 2194739. The reversal of 2194733 is 3374912.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1075369 + 1119364 = 1037^2 + 1058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2194733 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 1 + 9 + 4⁴ + 7⁵ + 3¹⁰ + 3¹³ .

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2194696 and 2194705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1028 + ... + 2333.

It is an arithmetic number, because the mean of its divisors is an integer number (549687).

2^2194733 is an apocalyptic number.

It is an amenable number.

2194733 is a deficient number, since it is larger than the sum of its proper divisors (4015).

2194733 is an equidigital number, since it uses as much as digits as its factorization.

2194733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014.

The product of its digits is 4536, while the sum is 29.

The square root of 2194733 is about 1481.4631281271. The cubic root of 2194733 is about 129.9552706077.

The spelling of 2194733 in words is "two million, one hundred ninety-four thousand, seven hundred thirty-three".