22211143 has 8 divisors (see below), whose sum is σ = 22619520. Its totient is φ = 21805560.

The previous prime is 22211141. The next prime is 22211153. The reversal of 22211143 is 34111222.

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 22211143 - 2¹ = 22211141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211141) 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, 21288 + ... + 22306.

It is an arithmetic number, because the mean of its divisors is an integer number (2827440).

Almost surely, 2^22211143 is an apocalyptic number.

22211143 is a deficient number, since it is larger than the sum of its proper divisors (408377).

22211143 is a wasteful number, since it uses less digits than its factorization.

22211143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397.

The product of its digits is 96, while the sum is 16.

The square root of 22211143 is about 4712.8699324297. The cubic root of 22211143 is about 281.0974911107.

Adding to 22211143 its reverse (34111222), we get a palindrome (56322365).

It can be divided in two parts, 2221 and 1143, that added together give a square (3364 = 58²).

The spelling of 22211143 in words is "twenty-two million, two hundred eleven thousand, one hundred forty-three".