4837630221 has 24 divisors (see below), whose sum is σ = 7171275384. Its totient is φ = 3140643840.

The previous prime is 4837630201. The next prime is 4837630243. The reversal of 4837630221 is 1220367384.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 230614596 + 4607015625 = 15186^2 + 67875^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4837630221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4837630201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193765 + ... + 217301.

It is an arithmetic number, because the mean of its divisors is an integer number (298803141).

Almost surely, 2^4837630221 is an apocalyptic number.

4837630221 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4837630221 is a deficient number, since it is larger than the sum of its proper divisors (2333645163).

4837630221 is a wasteful number, since it uses less digits than its factorization.

4837630221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24141 (or 24138 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 4837630221 is about 69553.0748493552. The cubic root of 4837630221 is about 1691.2619941365.

The spelling of 4837630221 in words is "four billion, eight hundred thirty-seven million, six hundred thirty thousand, two hundred twenty-one".