22043400424 has 32 divisors (see below), whose sum is σ = 42766819200. Its totient is φ = 10639097280.

The previous prime is 22043400419. The next prime is 22043400469. The reversal of 22043400424 is 42400434022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1273669 + ... + 1290859.

It is an arithmetic number, because the mean of its divisors is an integer number (1336463100).

Almost surely, 2^22043400424 is an apocalyptic number.

It is an amenable number.

22043400424 is a deficient number, since it is larger than the sum of its proper divisors (20723418776).

22043400424 is a wasteful number, since it uses less digits than its factorization.

22043400424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22753 (or 22749 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 22043400424 its reverse (42400434022), we get a palindrome (64443834446).

The spelling of 22043400424 in words is "twenty-two billion, forty-three million, four hundred thousand, four hundred twenty-four".