22005433 has 4 divisors (see below), whose sum is σ = 22019328. Its totient is φ = 21991540.

The previous prime is 22005419. The next prime is 22005449. The reversal of 22005433 is 33450022.

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 22005433 - 2⁹ = 22004921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22005433.

It is not an unprimeable number, because it can be changed into a prime (22005833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4213 + ... + 7858.

It is an arithmetic number, because the mean of its divisors is an integer number (5504832).

Almost surely, 2^22005433 is an apocalyptic number.

It is an amenable number.

22005433 is a deficient number, since it is larger than the sum of its proper divisors (13895).

22005433 is a wasteful number, since it uses less digits than its factorization.

22005433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13894.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 22005433 is about 4690.9948838173. The cubic root of 22005433 is about 280.2269970454.

Adding to 22005433 its reverse (33450022), we get a palindrome (55455455).

The spelling of 22005433 in words is "twenty-two million, five thousand, four hundred thirty-three".