11722243 has 8 divisors (see below), whose sum is σ = 12692736. Its totient is φ = 10761600.

The previous prime is 11722201. The next prime is 11722283. The reversal of 11722243 is 34222711.

11722243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11722243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11722283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123 + ... + 4843.

It is an arithmetic number, because the mean of its divisors is an integer number (1586592).

Almost surely, 2^11722243 is an apocalyptic number.

11722243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11722243 is a deficient number, since it is larger than the sum of its proper divisors (970493).

11722243 is a wasteful number, since it uses less digits than its factorization.

11722243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4925.

The product of its digits is 672, while the sum is 22.

The square root of 11722243 is about 3423.7761317002. The cubic root of 11722243 is about 227.1626396923.

Adding to 11722243 its reverse (34222711), we get a palindrome (45944954).

The spelling of 11722243 in words is "eleven million, seven hundred twenty-two thousand, two hundred forty-three".