22343621 has 8 divisors (see below), whose sum is σ = 22810944. Its totient is φ = 21880800.

The previous prime is 22343611. The next prime is 22343641. The reversal of 22343621 is 12634322.

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 22343621 - 2¹⁰ = 22342597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22343611) 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, 10010 + ... + 12036.

It is an arithmetic number, because the mean of its divisors is an integer number (2851368).

Almost surely, 2^22343621 is an apocalyptic number.

It is an amenable number.

22343621 is a deficient number, since it is larger than the sum of its proper divisors (467323).

22343621 is a wasteful number, since it uses less digits than its factorization.

22343621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251.

The product of its digits is 1728, while the sum is 23.

The square root of 22343621 is about 4726.9039550217. The cubic root of 22343621 is about 281.6552507929.

Adding to 22343621 its reverse (12634322), we get a palindrome (34977943).

The spelling of 22343621 in words is "twenty-two million, three hundred forty-three thousand, six hundred twenty-one".