22422340144 has 20 divisors (see below), whose sum is σ = 43494240496. Its totient is φ = 11198020032.

The previous prime is 22422340099. The next prime is 22422340163. The reversal of 22422340144 is 44104322422.

It is a super-2 number, since 2×22422340144² (a number of 22 digits) contains 22 as substring.

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, 807804 + ... + 835099.

Almost surely, 2^22422340144 is an apocalyptic number.

It is an amenable number.

22422340144 is a deficient number, since it is larger than the sum of its proper divisors (21071900352).

22422340144 is a wasteful number, since it uses less digits than its factorization.

22422340144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643764 (or 1643758 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 22422340144 its reverse (44104322422), we get a palindrome (66526662566).

The spelling of 22422340144 in words is "twenty-two billion, four hundred twenty-two million, three hundred forty thousand, one hundred forty-four".