43142422 has 8 divisors (see below), whose sum is σ = 64780200. Its totient is φ = 21549024.

The previous prime is 43142417. The next prime is 43142423. The reversal of 43142422 is 22424134.

It is a happy number.

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

It is a super-2 number, since 2×43142422² = 3722537152052168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43142393 and 43142402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43142423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8547 + ... + 12622.

It is an arithmetic number, because the mean of its divisors is an integer number (8097525).

Almost surely, 2^43142422 is an apocalyptic number.

43142422 is a deficient number, since it is larger than the sum of its proper divisors (21637778).

43142422 is a wasteful number, since it uses less digits than its factorization.

43142422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22190.

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

The square root of 43142422 is about 6568.2891227473. The cubic root of 43142422 is about 350.7261712277.

Adding to 43142422 its reverse (22424134), we get a palindrome (65566556).

The spelling of 43142422 in words is "forty-three million, one hundred forty-two thousand, four hundred twenty-two".