22459143 has 16 divisors (see below), whose sum is σ = 34301696. Its totient is φ = 12804480.

The previous prime is 22459141. The next prime is 22459181. The reversal of 22459143 is 34195422.

It is not a de Polignac number, because 22459143 - 2¹ = 22459141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22459143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22459141) 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 15 ways as a sum of consecutive naturals, for example, 11055 + ... + 12927.

It is an arithmetic number, because the mean of its divisors is an integer number (2143856).

Almost surely, 2^22459143 is an apocalyptic number.

22459143 is a deficient number, since it is larger than the sum of its proper divisors (11842553).

22459143 is a wasteful number, since it uses less digits than its factorization.

22459143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454.

The product of its digits is 8640, while the sum is 30.

The square root of 22459143 is about 4739.1078274291. The cubic root of 22459143 is about 282.1398255326.

The spelling of 22459143 in words is "twenty-two million, four hundred fifty-nine thousand, one hundred forty-three".