43224142 has 8 divisors (see below), whose sum is σ = 69823656. Its totient is φ = 19949592.

The previous prime is 43224133. The next prime is 43224157. The reversal of 43224142 is 24142234.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831208 + ... + 831259.

It is an arithmetic number, because the mean of its divisors is an integer number (8727957).

Almost surely, 2^43224142 is an apocalyptic number.

43224142 is a deficient number, since it is larger than the sum of its proper divisors (26599514).

43224142 is a wasteful number, since it uses less digits than its factorization.

43224142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662482.

The product of its digits is 1536, while the sum is 22.

The square root of 43224142 is about 6574.5069777132. The cubic root of 43224142 is about 350.9474790397.

Adding to 43224142 its reverse (24142234), we get a palindrome (67366376).

It can be divided in two parts, 4322 and 4142, that added together give a square (8464 = 92²).

The spelling of 43224142 in words is "forty-three million, two hundred twenty-four thousand, one hundred forty-two".