22039693 has 16 divisors (see below), whose sum is σ = 24615360. Its totient is φ = 19603584.

The previous prime is 22039643. The next prime is 22039697. The reversal of 22039693 is 39693022.

It is a de Polignac number, because none of the positive numbers 2^k-22039693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22039697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49530 + ... + 49972.

It is an arithmetic number, because the mean of its divisors is an integer number (1538460).

Almost surely, 2^22039693 is an apocalyptic number.

It is an amenable number.

22039693 is a deficient number, since it is larger than the sum of its proper divisors (2575667).

22039693 is a wasteful number, since it uses less digits than its factorization.

22039693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 22039693 is about 4694.6451410091. The cubic root of 22039693 is about 280.3723490119.

The spelling of 22039693 in words is "twenty-two million, thirty-nine thousand, six hundred ninety-three".