4244032221 has 64 divisors (see below), whose sum is σ = 6880446720. Its totient is φ = 2292480000.

The previous prime is 4244032217. The next prime is 4244032229. The reversal of 4244032221 is 1222304424.

It is not a de Polignac number, because 4244032221 - 2² = 4244032217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4244032191 and 4244032200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4244032229) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1775295 + ... + 1777683.

It is an arithmetic number, because the mean of its divisors is an integer number (107506980).

Almost surely, 2^4244032221 is an apocalyptic number.

4244032221 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4244032221 is a deficient number, since it is larger than the sum of its proper divisors (2636414499).

4244032221 is a wasteful number, since it uses less digits than its factorization.

4244032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 4244032221 is about 65146.2371975542. The cubic root of 4244032221 is about 1619.0473773642.

Adding to 4244032221 its reverse (1222304424), we get a palindrome (5466336645).

It can be divided in two parts, 424403 and 2221, that added together give a palindrome (426624).

The spelling of 4244032221 in words is "four billion, two hundred forty-four million, thirty-two thousand, two hundred twenty-one".