23334221 has 4 divisors (see below), whose sum is σ = 23662944. Its totient is φ = 23005500.

The previous prime is 23334211. The next prime is 23334247. The reversal of 23334221 is 12243332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23334221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23334193 and 23334202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23334211) 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, 164255 + ... + 164396.

It is an arithmetic number, because the mean of its divisors is an integer number (5915736).

Almost surely, 2^23334221 is an apocalyptic number.

It is an amenable number.

23334221 is a deficient number, since it is larger than the sum of its proper divisors (328723).

23334221 is an equidigital number, since it uses as much as digits as its factorization.

23334221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328722.

The product of its digits is 864, while the sum is 20.

The square root of 23334221 is about 4830.5507967519. The cubic root of 23334221 is about 285.7575863302.

Adding to 23334221 its reverse (12243332), we get a palindrome (35577553).

The spelling of 23334221 in words is "twenty-three million, three hundred thirty-four thousand, two hundred twenty-one".