43222055 has 8 divisors (see below), whose sum is σ = 54596400. Its totient is φ = 32757696.

The previous prime is 43222051. The next prime is 43222057. The reversal of 43222055 is 55022234.

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

It is a cyclic number.

It is not a de Polignac number, because 43222055 - 2² = 43222051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43222055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43222051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227390 + ... + 227579.

It is an arithmetic number, because the mean of its divisors is an integer number (6824550).

Almost surely, 2^43222055 is an apocalyptic number.

43222055 is a deficient number, since it is larger than the sum of its proper divisors (11374345).

43222055 is a wasteful number, since it uses less digits than its factorization.

43222055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454993.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 43222055 is about 6574.3482566715. The cubic root of 43222055 is about 350.9418306594.

Adding to 43222055 its reverse (55022234), we get a palindrome (98244289).

The spelling of 43222055 in words is "forty-three million, two hundred twenty-two thousand, fifty-five".