22241709 has 20 divisors (see below), whose sum is σ = 37972704. Its totient is φ = 12709224.

The previous prime is 22241693. The next prime is 22241731. The reversal of 22241709 is 90714222.

It is not a de Polignac number, because 22241709 - 2⁴ = 22241693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22241749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19047 + ... + 20180.

Almost surely, 2^22241709 is an apocalyptic number.

It is an amenable number.

22241709 is a deficient number, since it is larger than the sum of its proper divisors (15730995).

22241709 is an equidigital number, since it uses as much as digits as its factorization.

22241709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39246 (or 39237 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 22241709 is about 4716.1116399000. Note that the first 3 decimals coincide. The cubic root of 22241709 is about 281.2263766825.

The spelling of 22241709 in words is "twenty-two million, two hundred forty-one thousand, seven hundred nine".