43422032 has 20 divisors (see below), whose sum is σ = 85078260. Its totient is φ = 21466368.

The previous prime is 43422023. The next prime is 43422047. The reversal of 43422032 is 23022434.

It can be written as a sum of positive squares in 2 ways, for example, as 5180176 + 38241856 = 2276^2 + 6184^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43421995 and 43422013.

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, 13823 + ... + 16670.

It is an arithmetic number, because the mean of its divisors is an integer number (4253913).

Almost surely, 2^43422032 is an apocalyptic number.

It is an amenable number.

43422032 is a deficient number, since it is larger than the sum of its proper divisors (41656228).

43422032 is a wasteful number, since it uses less digits than its factorization.

43422032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30590 (or 30584 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 43422032 is about 6589.5395893795. The cubic root of 43422032 is about 351.4822363744.

Adding to 43422032 its reverse (23022434), we get a palindrome (66444466).

The spelling of 43422032 in words is "forty-three million, four hundred twenty-two thousand, thirty-two".