22246143 has 8 divisors (see below), whose sum is σ = 29694000. Its totient is φ = 14814528.

The previous prime is 22246121. The next prime is 22246157. The reversal of 22246143 is 34164222.

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

It is not a de Polignac number, because 22246143 - 2⁵ = 22246111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22246843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388 + ... + 6681.

It is an arithmetic number, because the mean of its divisors is an integer number (3711750).

Almost surely, 2^22246143 is an apocalyptic number.

22246143 is a deficient number, since it is larger than the sum of its proper divisors (7447857).

22246143 is a wasteful number, since it uses less digits than its factorization.

22246143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8121.

The product of its digits is 2304, while the sum is 24.

The square root of 22246143 is about 4716.5817071265. The cubic root of 22246143 is about 281.2450634195.

The spelling of 22246143 in words is "twenty-two million, two hundred forty-six thousand, one hundred forty-three".