22305312044 has 12 divisors (see below), whose sum is σ = 39035980368. Its totient is φ = 11152174800.

The previous prime is 22305312037. The next prime is 22305312047. The reversal of 22305312044 is 44021350322.

It is a super-2 number, since 2×22305312044² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22305312047) 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, 3392 + ... + 211239.

It is an arithmetic number, because the mean of its divisors is an integer number (3252998364).

Almost surely, 2^22305312044 is an apocalyptic number.

It is an amenable number.

22305312044 is a deficient number, since it is larger than the sum of its proper divisors (16730668324).

22305312044 is a wasteful number, since it uses less digits than its factorization.

22305312044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240616 (or 240614 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 22305312044 its reverse (44021350322), we get a palindrome (66326662366).

The spelling of 22305312044 in words is "twenty-two billion, three hundred five million, three hundred twelve thousand, forty-four".