22086011 has 4 divisors (see below), whose sum is σ = 22221672. Its totient is φ = 21950352.

The previous prime is 22086007. The next prime is 22086017. The reversal of 22086011 is 11068022.

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 22086011 - 2² = 22086007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22086017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67586 + ... + 67911.

It is an arithmetic number, because the mean of its divisors is an integer number (5555418).

Almost surely, 2^22086011 is an apocalyptic number.

22086011 is a deficient number, since it is larger than the sum of its proper divisors (135661).

22086011 is a wasteful number, since it uses less digits than its factorization.

22086011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135660.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 22086011 is about 4699.5756191384. The cubic root of 22086011 is about 280.5686191363.

The spelling of 22086011 in words is "twenty-two million, eighty-six thousand, eleven".