22330401 has 16 divisors (see below), whose sum is σ = 32897664. Its totient is φ = 13401344.

The previous prime is 22330397. The next prime is 22330417. The reversal of 22330401 is 10403322.

It is a cyclic number.

It is not a de Polignac number, because 22330401 - 2² = 22330397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22331401) 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 15 ways as a sum of consecutive naturals, for example, 8346 + ... + 10691.

It is an arithmetic number, because the mean of its divisors is an integer number (2056104).

Almost surely, 2^22330401 is an apocalyptic number.

It is an amenable number.

22330401 is a deficient number, since it is larger than the sum of its proper divisors (10567263).

22330401 is a wasteful number, since it uses less digits than its factorization.

22330401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19080.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 22330401 is about 4725.5053697991. The cubic root of 22330401 is about 281.5996910575.

Adding to 22330401 its reverse (10403322), we get a palindrome (32733723).

The spelling of 22330401 in words is "twenty-two million, three hundred thirty thousand, four hundred one".