23330221 has 8 divisors (see below), whose sum is σ = 23849280. Its totient is φ = 22816992.

The previous prime is 23330207. The next prime is 23330267. The reversal of 23330221 is 12203332.

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

It is a cyclic number.

It is not a de Polignac number, because 23330221 - 2¹³ = 23322029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23330195 and 23330204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23330521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7185 + ... + 9913.

It is an arithmetic number, because the mean of its divisors is an integer number (2981160).

Almost surely, 2^23330221 is an apocalyptic number.

It is an amenable number.

23330221 is a deficient number, since it is larger than the sum of its proper divisors (519059).

23330221 is a wasteful number, since it uses less digits than its factorization.

23330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2915.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 23330221 is about 4830.1367475466. The cubic root of 23330221 is about 285.7412570134.

Adding to 23330221 its reverse (12203332), we get a palindrome (35533553).

The spelling of 23330221 in words is "twenty-three million, three hundred thirty thousand, two hundred twenty-one".