22220011 has 4 divisors (see below), whose sum is σ = 24240024. Its totient is φ = 20200000.

The previous prime is 22219999. The next prime is 22220027. The reversal of 22220011 is 11002222.

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

It is a cyclic number.

It is not a de Polignac number, because 22220011 - 2⁵ = 22219979 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 22220011.

It is not an unprimeable number, because it can be changed into a prime (22220041) 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, 1009990 + ... + 1010011.

It is an arithmetic number, because the mean of its divisors is an integer number (6060006).

Almost surely, 2^22220011 is an apocalyptic number.

22220011 is a deficient number, since it is larger than the sum of its proper divisors (2020013).

22220011 is a wasteful number, since it uses less digits than its factorization.

22220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020012.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 22220011 is about 4713.8106665415. The cubic root of 22220011 is about 281.1348963727.

Adding to 22220011 its reverse (11002222), we get a palindrome (33222233).

The spelling of 22220011 in words is "twenty-two million, two hundred twenty thousand, eleven".