22013047 has 8 divisors (see below), whose sum is σ = 26251776. Its totient is φ = 18047832.

The previous prime is 22013029. The next prime is 22013063. The reversal of 22013047 is 74031022.

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 22013047 - 2¹¹ = 22010999 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 (22011047) 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, 68203 + ... + 68524.

It is an arithmetic number, because the mean of its divisors is an integer number (3281472).

Almost surely, 2^22013047 is an apocalyptic number.

22013047 is a deficient number, since it is larger than the sum of its proper divisors (4238729).

22013047 is a wasteful number, since it uses less digits than its factorization.

22013047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136757.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 22013047 is about 4691.8063685536. The cubic root of 22013047 is about 280.2593133423.

Adding to 22013047 its reverse (74031022), we get a palindrome (96044069).

The spelling of 22013047 in words is "twenty-two million, thirteen thousand, forty-seven".