22031343044 has 12 divisors (see below), whose sum is σ = 39019367184. Its totient is φ = 10882952424.

The previous prime is 22031343029. The next prime is 22031343073. The reversal of 22031343044 is 44034313022.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33179402 + ... + 33180065.

It is an arithmetic number, because the mean of its divisors is an integer number (3251613932).

Almost surely, 2^22031343044 is an apocalyptic number.

It is an amenable number.

22031343044 is a deficient number, since it is larger than the sum of its proper divisors (16988024140).

22031343044 is a wasteful number, since it uses less digits than its factorization.

22031343044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66359554 (or 66359552 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 22031343044 its reverse (44034313022), we get a palindrome (66065656066).

The spelling of 22031343044 in words is "twenty-two billion, thirty-one million, three hundred forty-three thousand, forty-four".