22089727 has 8 divisors (see below), whose sum is σ = 24428880. Its totient is φ = 19805760.

The previous prime is 22089721. The next prime is 22089731. The reversal of 22089727 is 72798022.

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 22089727 - 2¹¹ = 22087679 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 (22089721) 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, 12952 + ... + 14557.

It is an arithmetic number, because the mean of its divisors is an integer number (3053610).

Almost surely, 2^22089727 is an apocalyptic number.

22089727 is a deficient number, since it is larger than the sum of its proper divisors (2339153).

22089727 is a wasteful number, since it uses less digits than its factorization.

22089727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27593.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 22089727 is about 4699.9709573571. The cubic root of 22089727 is about 280.5843535986.

It can be divided in two parts, 2208 and 9727, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 22089727 in words is "twenty-two million, eighty-nine thousand, seven hundred twenty-seven".