23212241 has 4 divisors (see below), whose sum is σ = 24997812. Its totient is φ = 21426672.

The previous prime is 23212207. The next prime is 23212247. The reversal of 23212241 is 14221232.

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 12453841 + 10758400 = 3529^2 + 3280^2 .

It is a cyclic number.

It is not a de Polignac number, because 23212241 - 2⁶ = 23212177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23212247) 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, 892766 + ... + 892791.

It is an arithmetic number, because the mean of its divisors is an integer number (6249453).

Almost surely, 2^23212241 is an apocalyptic number.

It is an amenable number.

23212241 is a deficient number, since it is larger than the sum of its proper divisors (1785571).

23212241 is a wasteful number, since it uses less digits than its factorization.

23212241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785570.

The product of its digits is 192, while the sum is 17.

The square root of 23212241 is about 4817.9083635951. The cubic root of 23212241 is about 285.2587820863.

Adding to 23212241 its reverse (14221232), we get a palindrome (37433473).

The spelling of 23212241 in words is "twenty-three million, two hundred twelve thousand, two hundred forty-one".