4221663224 has 8 divisors (see below), whose sum is σ = 7915618560. Its totient is φ = 2110831608.

The previous prime is 4221663221. The next prime is 4221663263. The reversal of 4221663224 is 4223661224.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221663221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263853944 + ... + 263853959.

It is an arithmetic number, because the mean of its divisors is an integer number (989452320).

Almost surely, 2^4221663224 is an apocalyptic number.

It is an amenable number.

4221663224 is a deficient number, since it is larger than the sum of its proper divisors (3693955336).

4221663224 is a wasteful number, since it uses less digits than its factorization.

4221663224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527707909 (or 527707905 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 4221663224 is about 64974.3274224520. The cubic root of 4221663224 is about 1616.1978638472.

The spelling of 4221663224 in words is "four billion, two hundred twenty-one million, six hundred sixty-three thousand, two hundred twenty-four".