4221118272 has 56 divisors (see below), whose sum is σ = 12763861696. Its totient is φ = 1206033408.

The previous prime is 4221118211. The next prime is 4221118303. The reversal of 4221118272 is 2728111224.

4221118272 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1569013 + ... + 1571700.

Almost surely, 2^4221118272 is an apocalyptic number.

4221118272 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4221118272 is an abundant number, since it is smaller than the sum of its proper divisors (8542743424).

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

4221118272 is a wasteful number, since it uses less digits than its factorization.

4221118272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140735 (or 3140725 counting only the distinct ones).

The product of its digits is 3584, while the sum is 30.

The square root of 4221118272 is about 64970.1336923359. The cubic root of 4221118272 is about 1616.1283187326.

Adding to 4221118272 its reverse (2728111224), we get a palindrome (6949229496).

The spelling of 4221118272 in words is "four billion, two hundred twenty-one million, one hundred eighteen thousand, two hundred seventy-two".