43222444 has 6 divisors (see below), whose sum is σ = 75639284. Its totient is φ = 21611220.

The previous prime is 43222411. The next prime is 43222447. The reversal of 43222444 is 44422234.

It is not an unprimeable number, because it can be changed into a prime (43222447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5402802 + ... + 5402809.

Almost surely, 2^43222444 is an apocalyptic number.

It is an amenable number.

43222444 is a deficient number, since it is larger than the sum of its proper divisors (32416840).

43222444 is a wasteful number, since it uses less digits than its factorization.

43222444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10805615 (or 10805613 counting only the distinct ones).

The product of its digits is 6144, while the sum is 25.

The square root of 43222444 is about 6574.3778412866. The cubic root of 43222444 is about 350.9428834858.

Adding to 43222444 its reverse (44422234), we get a palindrome (87644678).

The spelling of 43222444 in words is "forty-three million, two hundred twenty-two thousand, four hundred forty-four".