43320422 has 4 divisors (see below), whose sum is σ = 64980636. Its totient is φ = 21660210.

The previous prime is 43320421. The next prime is 43320449. The reversal of 43320422 is 22402334.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 43320394 and 43320403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43320421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10830104 + ... + 10830107.

It is an arithmetic number, because the mean of its divisors is an integer number (16245159).

Almost surely, 2^43320422 is an apocalyptic number.

43320422 is a deficient number, since it is larger than the sum of its proper divisors (21660214).

43320422 is a wasteful number, since it uses less digits than its factorization.

43320422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21660213.

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

The square root of 43320422 is about 6581.8251268170. The cubic root of 43320422 is about 351.2078595021.

Adding to 43320422 its reverse (22402334), we get a palindrome (65722756).

The spelling of 43320422 in words is "forty-three million, three hundred twenty thousand, four hundred twenty-two".