22405445223 has 32 divisors (see below), whose sum is σ = 34575974400. Its totient is φ = 12641222880.

The previous prime is 22405445219. The next prime is 22405445233. The reversal of 22405445223 is 32254450422.

It is not a de Polignac number, because 22405445223 - 2² = 22405445219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22405445213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 526986 + ... + 567912.

It is an arithmetic number, because the mean of its divisors is an integer number (1080499200).

Almost surely, 2^22405445223 is an apocalyptic number.

22405445223 is a deficient number, since it is larger than the sum of its proper divisors (12170529177).

22405445223 is a wasteful number, since it uses less digits than its factorization.

22405445223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41267.

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 22405445223 its reverse (32254450422), we get a palindrome (54659895645).

The spelling of 22405445223 in words is "twenty-two billion, four hundred five million, four hundred forty-five thousand, two hundred twenty-three".