22039 has 2 divisors, whose sum is σ = 22040. Its totient is φ = 22038.

The previous prime is 22037. The next prime is 22051. The reversal of 22039 is 93022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22039 - 2¹ = 22037 is a prime.

Together with 22037, it forms a pair of twin primes.

22039 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11019 + 11020.

It is an arithmetic number, because the mean of its divisors is an integer number (11020).

2²²⁰³⁹ is an apocalyptic number.

22039 is a deficient number, since it is larger than the sum of its proper divisors (1).

22039 is an equidigital number, since it uses as much as digits as its factorization.

22039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 22039 is about 148.4553805020. The cubic root of 22039 is about 28.0369410373.

The spelling of 22039 in words is "twenty-two thousand, thirty-nine".