22309839 has 12 divisors (see below), whose sum is σ = 33626736. Its totient is φ = 14226432.

The previous prime is 22309817. The next prime is 22309843. The reversal of 22309839 is 93890322.

It is not a de Polignac number, because 22309839 - 2⁷ = 22309711 is a prime.

It is a super-3 number, since 3×22309839³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22305839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53682 + ... + 54095.

It is an arithmetic number, because the mean of its divisors is an integer number (2802228).

Almost surely, 2^22309839 is an apocalyptic number.

22309839 is a deficient number, since it is larger than the sum of its proper divisors (11316897).

22309839 is a wasteful number, since it uses less digits than its factorization.

22309839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107806 (or 107803 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 22309839 is about 4723.3292284151. The cubic root of 22309839 is about 281.5132314817.

The spelling of 22309839 in words is "twenty-two million, three hundred nine thousand, eight hundred thirty-nine".