2201943 has 4 divisors (see below), whose sum is σ = 2935928. Its totient is φ = 1467960.

The previous prime is 2201933. The next prime is 2201957. The reversal of 2201943 is 3491022.

2201943 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 is not a de Polignac number, because 2201943 - 2⁵ = 2201911 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201933) 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 3 ways as a sum of consecutive naturals, for example, 366988 + ... + 366993.

It is an arithmetic number, because the mean of its divisors is an integer number (733982).

2^2201943 is an apocalyptic number.

2201943 is a deficient number, since it is larger than the sum of its proper divisors (733985).

2201943 is an equidigital number, since it uses as much as digits as its factorization.

2201943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733984.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2201943 is about 1483.8945380316. The cubic root of 2201943 is about 130.0974220427.

Adding to 2201943 its reverse (3491022), we get a palindrome (5692965).

The spelling of 2201943 in words is "two million, two hundred one thousand, nine hundred forty-three".