22440422305 has 32 divisors (see below), whose sum is σ = 32125828608. Its totient is φ = 14713036800.

The previous prime is 22440422269. The next prime is 22440422309. The reversal of 22440422305 is 50322404422.

It is not a de Polignac number, because 22440422305 - 2⁹ = 22440421793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22440422309) 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, 3604095 + ... + 3610315.

It is an arithmetic number, because the mean of its divisors is an integer number (1003932144).

Almost surely, 2^22440422305 is an apocalyptic number.

It is an amenable number.

22440422305 is a deficient number, since it is larger than the sum of its proper divisors (9685406303).

22440422305 is a wasteful number, since it uses less digits than its factorization.

22440422305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10737.

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 22440422305 its reverse (50322404422), we get a palindrome (72762826727).

The spelling of 22440422305 in words is "twenty-two billion, four hundred forty million, four hundred twenty-two thousand, three hundred five".