4221276721224 has 64 divisors (see below), whose sum is σ = 11026019773440. Its totient is φ = 1344203995200.

The previous prime is 4221276721219. The next prime is 4221276721229.

It is a happy number.

4221276721224 is nontrivially palindromic in base 10.

4221276721224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4221276721219) and next prime (4221276721229).

It is not an unprimeable number, because it can be changed into a prime (4221276721229) 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, 4424052 + ... + 5292899.

It is an arithmetic number, because the mean of its divisors is an integer number (172281558960).

Almost surely, 2^{4221276721224} is an apocalyptic number.

It is an amenable number.

4221276721224 is an abundant number, since it is smaller than the sum of its proper divisors (6804743052216).

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

4221276721224 is a wasteful number, since it uses less digits than its factorization.

4221276721224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9717770 (or 9717766 counting only the distinct ones).

The product of its digits is 301056, while the sum is 42.

The spelling of 4221276721224 in words is "four trillion, two hundred twenty-one billion, two hundred seventy-six million, seven hundred twenty-one thousand, two hundred twenty-four".