22404021433 has 4 divisors (see below), whose sum is σ = 22404569488. Its totient is φ = 22403473380.

The previous prime is 22404021397. The next prime is 22404021457. The reversal of 22404021433 is 33412040422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22404021433 - 2⁹ = 22404020921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22404021398 and 22404021407.

It is not an unprimeable number, because it can be changed into a prime (22404027433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207291 + ... + 296272.

It is an arithmetic number, because the mean of its divisors is an integer number (5601142372).

Almost surely, 2^22404021433 is an apocalyptic number.

It is an amenable number.

22404021433 is a deficient number, since it is larger than the sum of its proper divisors (548055).

22404021433 is an equidigital number, since it uses as much as digits as its factorization.

22404021433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548054.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22404021433 its reverse (33412040422), we get a palindrome (55816061855).

The spelling of 22404021433 in words is "twenty-two billion, four hundred four million, twenty-one thousand, four hundred thirty-three".