22124689 has 4 divisors (see below), whose sum is σ = 23086656. Its totient is φ = 21162724.

The previous prime is 22124681. The next prime is 22124693. The reversal of 22124689 is 98642122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22124689 - 2³ = 22124681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22124681) 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, 480949 + ... + 480994.

It is an arithmetic number, because the mean of its divisors is an integer number (5771664).

Almost surely, 2^22124689 is an apocalyptic number.

It is an amenable number.

22124689 is a deficient number, since it is larger than the sum of its proper divisors (961967).

22124689 is an equidigital number, since it uses as much as digits as its factorization.

22124689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961966.

The product of its digits is 13824, while the sum is 34.

The square root of 22124689 is about 4703.6888715135. The cubic root of 22124689 is about 280.7323050168.

The spelling of 22124689 in words is "twenty-two million, one hundred twenty-four thousand, six hundred eighty-nine".