43409222 has 4 divisors (see below), whose sum is σ = 65113836. Its totient is φ = 21704610.

The previous prime is 43409221. The next prime is 43409227. The reversal of 43409222 is 22290434.

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 = 43409191 and 43409200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43409221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10852304 + ... + 10852307.

It is an arithmetic number, because the mean of its divisors is an integer number (16278459).

Almost surely, 2^43409222 is an apocalyptic number.

43409222 is a deficient number, since it is larger than the sum of its proper divisors (21704614).

43409222 is a wasteful number, since it uses less digits than its factorization.

43409222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21704613.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 43409222 is about 6588.5675226107. The cubic root of 43409222 is about 351.4476692044.

Adding to 43409222 its reverse (22290434), we get a palindrome (65699656).

The spelling of 43409222 in words is "forty-three million, four hundred nine thousand, two hundred twenty-two".