11222143 has 8 divisors (see below), whose sum is σ = 11567808. Its totient is φ = 10881024.

The previous prime is 11222129. The next prime is 11222147. The reversal of 11222143 is 34122211.

11222143 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 11222143 - 2¹⁷ = 11091071 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 (11222147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4255 + ... + 6367.

It is an arithmetic number, because the mean of its divisors is an integer number (1445976).

Almost surely, 2^11222143 is an apocalyptic number.

11222143 is a deficient number, since it is larger than the sum of its proper divisors (345665).

11222143 is a wasteful number, since it uses less digits than its factorization.

11222143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273.

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

The square root of 11222143 is about 3349.9467159942. The cubic root of 11222143 is about 223.8851385504.

Adding to 11222143 its reverse (34122211), we get a palindrome (45344354).

The spelling of 11222143 in words is "eleven million, two hundred twenty-two thousand, one hundred forty-three".