22330643 has 4 divisors (see below), whose sum is σ = 23505960. Its totient is φ = 21155328.

The previous prime is 22330621. The next prime is 22330657. The reversal of 22330643 is 34603322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22330643 - 2¹² = 22326547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22332643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587630 + ... + 587667.

It is an arithmetic number, because the mean of its divisors is an integer number (5876490).

Almost surely, 2^22330643 is an apocalyptic number.

22330643 is a deficient number, since it is larger than the sum of its proper divisors (1175317).

22330643 is a wasteful number, since it uses less digits than its factorization.

22330643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175316.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 22330643 is about 4725.5309754566. The cubic root of 22330643 is about 281.6007083087.

Adding to 22330643 its reverse (34603322), we get a palindrome (56933965).

The spelling of 22330643 in words is "twenty-two million, three hundred thirty thousand, six hundred forty-three".