22029443 has 4 divisors (see below), whose sum is σ = 22072248. Its totient is φ = 21986640.

The previous prime is 22029439. The next prime is 22029461. The reversal of 22029443 is 34492022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22029443 - 2² = 22029439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22020443) 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, 20621 + ... + 21662.

It is an arithmetic number, because the mean of its divisors is an integer number (5518062).

Almost surely, 2^22029443 is an apocalyptic number.

22029443 is a deficient number, since it is larger than the sum of its proper divisors (42805).

22029443 is an equidigital number, since it uses as much as digits as its factorization.

22029443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42804.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 22029443 is about 4693.5533447485. The cubic root of 22029443 is about 280.3288780162.

The spelling of 22029443 in words is "twenty-two million, twenty-nine thousand, four hundred forty-three".