4221301224 has 64 divisors (see below), whose sum is σ = 12167648640. Its totient is φ = 1195407360.

The previous prime is 4221301223. The next prime is 4221301243. The reversal of 4221301224 is 4221031224.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 4221301224.

It is not an unprimeable number, because it can be changed into a prime (4221301223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92197 + ... + 130164.

It is an arithmetic number, because the mean of its divisors is an integer number (190119510).

Almost surely, 2^4221301224 is an apocalyptic number.

It is an amenable number.

4221301224 is an abundant number, since it is smaller than the sum of its proper divisors (7946347416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4221301224 is a wasteful number, since it uses less digits than its factorization.

4221301224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222490 (or 222486 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4221301224 is about 64971.5416470935. The cubic root of 4221301224 is about 1616.1516671770.

Adding to 4221301224 its reverse (4221031224), we get a palindrome (8442332448).

The spelling of 4221301224 in words is "four billion, two hundred twenty-one million, three hundred one thousand, two hundred twenty-four".