22709089 has 8 divisors (see below), whose sum is σ = 24538472. Its totient is φ = 20891520.

The previous prime is 22709087. The next prime is 22709101. The reversal of 22709089 is 98090722.

It can be written as a sum of positive squares in 4 ways, for example, as 1392400 + 21316689 = 1180^2 + 4617^2 .

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

It is not a de Polignac number, because 22709089 - 2¹ = 22709087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22709087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1279 + ... + 6859.

It is an arithmetic number, because the mean of its divisors is an integer number (3067309).

Almost surely, 2^22709089 is an apocalyptic number.

It is an amenable number.

22709089 is a deficient number, since it is larger than the sum of its proper divisors (1829383).

22709089 is a wasteful number, since it uses less digits than its factorization.

22709089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5907.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 22709089 is about 4765.4054392045. The cubic root of 22709089 is about 283.1826038728.

The spelling of 22709089 in words is "twenty-two million, seven hundred nine thousand, eighty-nine".