4232200221 has 6 divisors (see below), whose sum is σ = 6113178110. Its totient is φ = 2821466808.

The previous prime is 4232200139. The next prime is 4232200229. The reversal of 4232200221 is 1220022324.

4232200221 is a `hidden beast` number, since 423 + 2 + 20 + 0 + 221 = 666.

4232200221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4097408121 + 134792100 = 64011^2 + 11610^2 .

It is not a de Polignac number, because 4232200221 - 2²¹ = 4230103069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4232200194 and 4232200203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4232200229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235122226 + ... + 235122243.

Almost surely, 2^4232200221 is an apocalyptic number.

It is an amenable number.

4232200221 is a deficient number, since it is larger than the sum of its proper divisors (1880977889).

4232200221 is a wasteful number, since it uses less digits than its factorization.

4232200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470244475 (or 470244472 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4232200221 is about 65055.3627382094. The cubic root of 4232200221 is about 1617.5413882884.

Adding to 4232200221 its reverse (1220022324), we get a palindrome (5452222545).

The spelling of 4232200221 in words is "four billion, two hundred thirty-two million, two hundred thousand, two hundred twenty-one".