22144011 has 8 divisors (see below), whose sum is σ = 30212160. Its totient is φ = 14419272.

The previous prime is 22144007. The next prime is 22144021. The reversal of 22144011 is 11044122.

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

It is not a de Polignac number, because 22144011 - 2² = 22144007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22144021) 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 7 ways as a sum of consecutive naturals, for example, 85701 + ... + 85958.

It is an arithmetic number, because the mean of its divisors is an integer number (3776520).

Almost surely, 2^22144011 is an apocalyptic number.

22144011 is a deficient number, since it is larger than the sum of its proper divisors (8068149).

22144011 is a wasteful number, since it uses less digits than its factorization.

22144011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171705.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 22144011 is about 4705.7423431378. The cubic root of 22144011 is about 280.8140045653.

Adding to 22144011 its reverse (11044122), we get a palindrome (33188133).

The spelling of 22144011 in words is "twenty-two million, one hundred forty-four thousand, eleven".