22005049 has 8 divisors (see below), whose sum is σ = 24054048. Its totient is φ = 19964160.

The previous prime is 22005037. The next prime is 22005073. The reversal of 22005049 is 94050022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22005049 - 2⁷ = 22004921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22005019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4614 + ... + 8080.

It is an arithmetic number, because the mean of its divisors is an integer number (3006756).

Almost surely, 2^22005049 is an apocalyptic number.

It is an amenable number.

22005049 is a deficient number, since it is larger than the sum of its proper divisors (2048999).

22005049 is a wasteful number, since it uses less digits than its factorization.

22005049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 22005049 is about 4690.9539541547. The cubic root of 22005049 is about 280.2253670268.

The spelling of 22005049 in words is "twenty-two million, five thousand, forty-nine".