22122012044 has 12 divisors (see below), whose sum is σ = 42232932168. Its totient is φ = 10055460000.

The previous prime is 22122012023. The next prime is 22122012061. The reversal of 22122012044 is 44021022122.

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, 251386457 + ... + 251386544.

It is an arithmetic number, because the mean of its divisors is an integer number (3519411014).

Almost surely, 2^22122012044 is an apocalyptic number.

It is an amenable number.

22122012044 is a deficient number, since it is larger than the sum of its proper divisors (20110920124).

22122012044 is a wasteful number, since it uses less digits than its factorization.

22122012044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502773016 (or 502773014 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22122012044 its reverse (44021022122), we get a palindrome (66143034166).

The spelling of 22122012044 in words is "twenty-two billion, one hundred twenty-two million, twelve thousand, forty-four".