22039743 has 16 divisors (see below), whose sum is σ = 32144256. Its totient is φ = 13321440.

The previous prime is 22039711. The next prime is 22039751. The reversal of 22039743 is 34793022.

It is not a de Polignac number, because 22039743 - 2⁵ = 22039711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22039743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22039763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16621 + ... + 17897.

It is an arithmetic number, because the mean of its divisors is an integer number (2009016).

Almost surely, 2^22039743 is an apocalyptic number.

22039743 is a deficient number, since it is larger than the sum of its proper divisors (10104513).

22039743 is a wasteful number, since it uses less digits than its factorization.

22039743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 22039743 is about 4694.6504662222. The cubic root of 22039743 is about 280.3725610325.

The spelling of 22039743 in words is "twenty-two million, thirty-nine thousand, seven hundred forty-three".