22680541 has 4 divisors (see below), whose sum is σ = 24425212. Its totient is φ = 20935872.

The previous prime is 22680529. The next prime is 22680551. The reversal of 22680541 is 14508622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4796100 + 17884441 = 2190^2 + 4229^2 .

It is a cyclic number.

It is not a de Polignac number, because 22680541 - 2⁹ = 22680029 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 (22680521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872316 + ... + 872341.

It is an arithmetic number, because the mean of its divisors is an integer number (6106303).

Almost surely, 2^22680541 is an apocalyptic number.

It is an amenable number.

22680541 is a deficient number, since it is larger than the sum of its proper divisors (1744671).

22680541 is a wasteful number, since it uses less digits than its factorization.

22680541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744670.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 22680541 is about 4762.4091592386. The cubic root of 22680541 is about 283.0638894823.

The spelling of 22680541 in words is "twenty-two million, six hundred eighty thousand, five hundred forty-one".