22103689 has 8 divisors (see below), whose sum is σ = 24037128. Its totient is φ = 20240640.

The previous prime is 22103687. The next prime is 22103729. The reversal of 22103689 is 98630122.

It can be written as a sum of positive squares in 4 ways, for example, as 9734400 + 12369289 = 3120^2 + 3517^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22103689 - 2¹ = 22103687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22103689.

It is not an unprimeable number, because it can be changed into a prime (22103687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16942 + ... + 18199.

It is an arithmetic number, because the mean of its divisors is an integer number (3004641).

Almost surely, 2^22103689 is an apocalyptic number.

It is an amenable number.

22103689 is a deficient number, since it is larger than the sum of its proper divisors (1933439).

22103689 is a wasteful number, since it uses less digits than its factorization.

22103689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35195.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 22103689 is about 4701.4560510548. The cubic root of 22103689 is about 280.6434563913.

The spelling of 22103689 in words is "twenty-two million, one hundred three thousand, six hundred eighty-nine".