22240011 has 8 divisors (see below), whose sum is σ = 30942720. Its totient is φ = 14181992.

The previous prime is 22240003. The next prime is 22240021. The reversal of 22240011 is 11004222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22240011 - 2³ = 22240003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22240021) 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 7 ways as a sum of consecutive naturals, for example, 161091 + ... + 161228.

It is an arithmetic number, because the mean of its divisors is an integer number (3867840).

Almost surely, 2^22240011 is an apocalyptic number.

22240011 is a deficient number, since it is larger than the sum of its proper divisors (8702709).

22240011 is a wasteful number, since it uses less digits than its factorization.

22240011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322345.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 22240011 is about 4715.9316152803. The cubic root of 22240011 is about 281.2192199402.

Adding to 22240011 its reverse (11004222), we get a palindrome (33244233).

The spelling of 22240011 in words is "twenty-two million, two hundred forty thousand, eleven".