22109411 has 4 divisors (see below), whose sum is σ = 22579872. Its totient is φ = 21638952.

The previous prime is 22109383. The next prime is 22109429. The reversal of 22109411 is 11490122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22109411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22109431) 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 3 ways as a sum of consecutive naturals, for example, 235160 + ... + 235253.

It is an arithmetic number, because the mean of its divisors is an integer number (5644968).

Almost surely, 2^22109411 is an apocalyptic number.

22109411 is a deficient number, since it is larger than the sum of its proper divisors (470461).

22109411 is an equidigital number, since it uses as much as digits as its factorization.

22109411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470460.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 22109411 is about 4702.0645465582. The cubic root of 22109411 is about 280.6676711021.

Adding to 22109411 its reverse (11490122), we get a palindrome (33599533).

It can be divided in two parts, 22 and 109411, that multiplied together give a palindrome (2407042).

The spelling of 22109411 in words is "twenty-two million, one hundred nine thousand, four hundred eleven".