22108439 has 2 divisors, whose sum is σ = 22108440. Its totient is φ = 22108438.

The previous prime is 22108433. The next prime is 22108453. The reversal of 22108439 is 93480122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22108439 - 2⁴ = 22108423 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22108433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11054219 + 11054220.

It is an arithmetic number, because the mean of its divisors is an integer number (11054220).

Almost surely, 2^22108439 is an apocalyptic number.

22108439 is a deficient number, since it is larger than the sum of its proper divisors (1).

22108439 is an equidigital number, since it uses as much as digits as its factorization.

22108439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 22108439 is about 4701.9611865689. The cubic root of 22108439 is about 280.6635580274.

The spelling of 22108439 in words is "twenty-two million, one hundred eight thousand, four hundred thirty-nine".