22013305 has 8 divisors (see below), whose sum is σ = 27806400. Its totient is φ = 16683696.

The previous prime is 22013281. The next prime is 22013339. The reversal of 22013305 is 50331022.

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 22013305 - 2⁵ = 22013273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115765 + ... + 115954.

It is an arithmetic number, because the mean of its divisors is an integer number (3475800).

Almost surely, 2^22013305 is an apocalyptic number.

It is an amenable number.

22013305 is a deficient number, since it is larger than the sum of its proper divisors (5793095).

22013305 is a wasteful number, since it uses less digits than its factorization.

22013305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231743.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 22013305 is about 4691.8338632138. The cubic root of 22013305 is about 280.2604082478.

Adding to 22013305 its reverse (50331022), we get a palindrome (72344327).

The spelling of 22013305 in words is "twenty-two million, thirteen thousand, three hundred five".