43422464 has 36 divisors (see below), whose sum is σ = 87932880. Its totient is φ = 21396480.

The previous prime is 43422451. The next prime is 43422479. The reversal of 43422464 is 46422434.

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, 16982 + ... + 19370.

It is an arithmetic number, because the mean of its divisors is an integer number (2442580).

Almost surely, 2^43422464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43422464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43966440).

43422464 is an abundant number, since it is smaller than the sum of its proper divisors (44510416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43422464 is an equidigital number, since it uses as much as digits as its factorization.

43422464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476 (or 2462 counting only the distinct ones).

The product of its digits is 18432, while the sum is 29.

The square root of 43422464 is about 6589.5723685229. The cubic root of 43422464 is about 351.4834019871.

Adding to 43422464 its reverse (46422434), we get a palindrome (89844898).

The spelling of 43422464 in words is "forty-three million, four hundred twenty-two thousand, four hundred sixty-four".