22312143424 has 28 divisors (see below), whose sum is σ = 45802410300. Its totient is φ = 10771378688.

The previous prime is 22312143401. The next prime is 22312143433. The reversal of 22312143424 is 42434121322.

It can be written as a sum of positive squares in 2 ways, for example, as 10194537024 + 12117606400 = 100968^2 + 110080^2 .

It is a super-3 number, since 3×22312143424³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22312143392 and 22312143401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6008959 + ... + 6012670.

Almost surely, 2^22312143424 is an apocalyptic number.

It is an amenable number.

22312143424 is an abundant number, since it is smaller than the sum of its proper divisors (23490266876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22312143424 is a wasteful number, since it uses less digits than its factorization.

22312143424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12021670 (or 12021660 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

Adding to 22312143424 its reverse (42434121322), we get a palindrome (64746264746).

The spelling of 22312143424 in words is "twenty-two billion, three hundred twelve million, one hundred forty-three thousand, four hundred twenty-four".