22621113443 has 4 divisors (see below), whose sum is σ = 22625274888. Its totient is φ = 22616952000.

The previous prime is 22621113421. The next prime is 22621113467. The reversal of 22621113443 is 34431112622.

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 22621113443 - 2⁶ = 22621113379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22621112443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2072558 + ... + 2083443.

It is an arithmetic number, because the mean of its divisors is an integer number (5656318722).

Almost surely, 2^22621113443 is an apocalyptic number.

22621113443 is a deficient number, since it is larger than the sum of its proper divisors (4161445).

22621113443 is an equidigital number, since it uses as much as digits as its factorization.

22621113443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161444.

The product of its digits is 6912, while the sum is 29.

The spelling of 22621113443 in words is "twenty-two billion, six hundred twenty-one million, one hundred thirteen thousand, four hundred forty-three".