43422412 has 24 divisors (see below), whose sum is σ = 83078352. Its totient is φ = 19694400.

The previous prime is 43422383. The next prime is 43422427. The reversal of 43422412 is 21422434.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28338 + ... + 29830.

It is an arithmetic number, because the mean of its divisors is an integer number (3461598).

Almost surely, 2^43422412 is an apocalyptic number.

It is an amenable number.

43422412 is a deficient number, since it is larger than the sum of its proper divisors (39655940).

43422412 is a wasteful number, since it uses less digits than its factorization.

43422412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169 (or 2167 counting only the distinct ones).

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

The square root of 43422412 is about 6589.5684228939. The cubic root of 43422412 is about 351.4832616823.

Adding to 43422412 its sum of digits (22), we get a palindrome (43422434).

Adding to 43422412 its reverse (21422434), we get a palindrome (64844846).

It can be divided in two parts, 43422 and 412, that added together give a palindrome (43834).

The spelling of 43422412 in words is "forty-three million, four hundred twenty-two thousand, four hundred twelve".