23344221 has 8 divisors (see below), whose sum is σ = 31713120. Its totient is φ = 15269072.

The previous prime is 23344219. The next prime is 23344291. The reversal of 23344221 is 12244332.

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 23344221 - 2¹ = 23344219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23344291) 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, 73251 + ... + 73568.

It is an arithmetic number, because the mean of its divisors is an integer number (3964140).

Almost surely, 2^23344221 is an apocalyptic number.

It is an amenable number.

23344221 is a deficient number, since it is larger than the sum of its proper divisors (8368899).

23344221 is a wasteful number, since it uses less digits than its factorization.

23344221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146875.

The product of its digits is 1152, while the sum is 21.

The square root of 23344221 is about 4831.5857645291. The cubic root of 23344221 is about 285.7984014597.

Adding to 23344221 its reverse (12244332), we get a palindrome (35588553).

It can be divided in two parts, 2334 and 4221, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 23344221 in words is "twenty-three million, three hundred forty-four thousand, two hundred twenty-one".