22043030400 has 144 divisors (see below), whose sum is σ = 78654686760. Its totient is φ = 5878133760.

The previous prime is 22043030381. The next prime is 22043030417. The reversal of 22043030400 is 403034022.

22043030400 is a `hidden beast` number, since 2 + 204 + 30 + 30 + 400 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 353892 + ... + 411491.

Almost surely, 2^22043030400 is an apocalyptic number.

22043030400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22043030400 is an abundant number, since it is smaller than the sum of its proper divisors (56611656360).

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

22043030400 is a wasteful number, since it uses less digits than its factorization.

22043030400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765413 (or 765393 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 22043030400 its reverse (403034022), we get a palindrome (22446064422).

The spelling of 22043030400 in words is "twenty-two billion, forty-three million, thirty thousand, four hundred".