22405502443 has 4 divisors (see below), whose sum is σ = 22712427208. Its totient is φ = 22098577680.

The previous prime is 22405502423. The next prime is 22405502467. The reversal of 22405502443 is 34420550422.

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 22405502443 - 2⁹ = 22405501931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22405502423) 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, 153462273 + ... + 153462418.

It is an arithmetic number, because the mean of its divisors is an integer number (5678106802).

Almost surely, 2^22405502443 is an apocalyptic number.

22405502443 is a deficient number, since it is larger than the sum of its proper divisors (306924765).

22405502443 is an equidigital number, since it uses as much as digits as its factorization.

22405502443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306924764.

The product of its (nonzero) digits is 38400, while the sum is 31.

The spelling of 22405502443 in words is "twenty-two billion, four hundred five million, five hundred two thousand, four hundred forty-three".