22002109 has 4 divisors (see below), whose sum is σ = 22055040. Its totient is φ = 21949180.

The previous prime is 22002107. The next prime is 22002121. The reversal of 22002109 is 90120022.

It is a happy number.

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 22002109 - 2¹ = 22002107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22002092 and 22002101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25837 + ... + 26674.

It is an arithmetic number, because the mean of its divisors is an integer number (5513760).

Almost surely, 2^22002109 is an apocalyptic number.

It is an amenable number.

22002109 is a deficient number, since it is larger than the sum of its proper divisors (52931).

22002109 is an equidigital number, since it uses as much as digits as its factorization.

22002109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52930.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 22002109 is about 4690.6405745911. The cubic root of 22002109 is about 280.2128865688.

The spelling of 22002109 in words is "twenty-two million, two thousand, one hundred nine".