4223638222 has 4 divisors (see below), whose sum is σ = 6335457336. Its totient is φ = 2111819110.

The previous prime is 4223638207. The next prime is 4223638261. The reversal of 4223638222 is 2228363224.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055909554 + ... + 1055909557.

It is an arithmetic number, because the mean of its divisors is an integer number (1583864334).

Almost surely, 2^4223638222 is an apocalyptic number.

4223638222 is a deficient number, since it is larger than the sum of its proper divisors (2111819114).

4223638222 is a wasteful number, since it uses less digits than its factorization.

4223638222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111819113.

The product of its digits is 55296, while the sum is 34.

The square root of 4223638222 is about 64989.5239404013. The cubic root of 4223638222 is about 1616.4498569397.

The spelling of 4223638222 in words is "four billion, two hundred twenty-three million, six hundred thirty-eight thousand, two hundred twenty-two".