22144342412 has 6 divisors (see below), whose sum is σ = 38752599228. Its totient is φ = 11072171204.

The previous prime is 22144342369. The next prime is 22144342463. The reversal of 22144342412 is 21424344122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2768042798 + ... + 2768042805.

It is an arithmetic number, because the mean of its divisors is an integer number (6458766538).

Almost surely, 2^22144342412 is an apocalyptic number.

It is an amenable number.

22144342412 is a deficient number, since it is larger than the sum of its proper divisors (16608256816).

22144342412 is a wasteful number, since it uses less digits than its factorization.

22144342412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5536085607 (or 5536085605 counting only the distinct ones).

The product of its digits is 12288, while the sum is 29.

Adding to 22144342412 its reverse (21424344122), we get a palindrome (43568686534).

The spelling of 22144342412 in words is "twenty-two billion, one hundred forty-four million, three hundred forty-two thousand, four hundred twelve".