22284143 has 8 divisors (see below), whose sum is σ = 25560480. Its totient is φ = 19031040.

The previous prime is 22284137. The next prime is 22284173. The reversal of 22284143 is 34148222.

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

It is not a de Polignac number, because 22284143 - 2²² = 18089839 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 (22284113) 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, 3698 + ... + 7631.

It is an arithmetic number, because the mean of its divisors is an integer number (3195060).

Almost surely, 2^22284143 is an apocalyptic number.

22284143 is a deficient number, since it is larger than the sum of its proper divisors (3276337).

22284143 is a wasteful number, since it uses less digits than its factorization.

22284143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11617.

The product of its digits is 3072, while the sum is 26.

The square root of 22284143 is about 4720.6083294423. The cubic root of 22284143 is about 281.4051096346.

The spelling of 22284143 in words is "twenty-two million, two hundred eighty-four thousand, one hundred forty-three".