23714221 has 4 divisors (see below), whose sum is σ = 23778172. Its totient is φ = 23650272.

The previous prime is 23714191. The next prime is 23714227. The reversal of 23714221 is 12241732.

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 18922500 + 4791721 = 4350^2 + 2189^2 .

It is a cyclic number.

It is not a de Polignac number, because 23714221 - 2⁵ = 23714189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23714192 and 23714201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23714227) 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, 31416 + ... + 32161.

It is an arithmetic number, because the mean of its divisors is an integer number (5944543).

Almost surely, 2^23714221 is an apocalyptic number.

It is an amenable number.

23714221 is a deficient number, since it is larger than the sum of its proper divisors (63951).

23714221 is an equidigital number, since it uses as much as digits as its factorization.

23714221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63950.

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

The square root of 23714221 is about 4869.7249408976. The cubic root of 23714221 is about 287.3004376914.

Adding to 23714221 its reverse (12241732), we get a palindrome (35955953).

The spelling of 23714221 in words is "twenty-three million, seven hundred fourteen thousand, two hundred twenty-one".