43422656 has 14 divisors (see below), whose sum is σ = 86166960. Its totient is φ = 21711296.

The previous prime is 43422653. The next prime is 43422679. The reversal of 43422656 is 65622434.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43422653) 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 as a sum of consecutive naturals, namely, 339176 + ... + 339303.

Almost surely, 2^43422656 is an apocalyptic number.

It is an amenable number.

43422656 is a deficient number, since it is larger than the sum of its proper divisors (42744304).

43422656 is an equidigital number, since it uses as much as digits as its factorization.

43422656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678491 (or 678481 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 43422656 is about 6589.5869369787. The cubic root of 43422656 is about 351.4839200348.

The spelling of 43422656 in words is "forty-three million, four hundred twenty-two thousand, six hundred fifty-six".