43222222 has 8 divisors (see below), whose sum is σ = 65439576. Its totient is φ = 21409032.

The previous prime is 43222219. The next prime is 43222229. The reversal of 43222222 is 22222234.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

43222222 is a modest number, since divided by 22222 gives 432 as remainder.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 43222222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43222229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100773 + ... + 101200.

It is an arithmetic number, because the mean of its divisors is an integer number (8179947).

Almost surely, 2^43222222 is an apocalyptic number.

43222222 is a deficient number, since it is larger than the sum of its proper divisors (22217354).

43222222 is a wasteful number, since it uses less digits than its factorization.

43222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202082.

The product of its digits is 768, while the sum is 19.

The square root of 43222222 is about 6574.3609575380. The cubic root of 43222222 is about 350.9422826447.

Adding to 43222222 its reverse (22222234), we get a palindrome (65444456).

The spelling of 43222222 in words is "forty-three million, two hundred twenty-two thousand, two hundred twenty-two".