4034200221 has 48 divisors (see below), whose sum is σ = 6303385088. Its totient is φ = 2575411200.

The previous prime is 4034200217. The next prime is 4034200259. The reversal of 4034200221 is 1220024304.

4034200221 is a `hidden beast` number, since 403 + 42 + 0 + 0 + 221 = 666.

It is not a de Polignac number, because 4034200221 - 2² = 4034200217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4034200194 and 4034200203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4034204221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 727941 + ... + 733461.

Almost surely, 2^4034200221 is an apocalyptic number.

It is an amenable number.

4034200221 is a deficient number, since it is larger than the sum of its proper divisors (2269184867).

4034200221 is an equidigital number, since it uses as much as digits as its factorization.

4034200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5664 (or 5652 counting only the distinct ones).

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

The square root of 4034200221 is about 63515.3542145519. The cubic root of 4034200221 is about 1591.9123412684.

Adding to 4034200221 its reverse (1220024304), we get a palindrome (5254224525).

The spelling of 4034200221 in words is "four billion, thirty-four million, two hundred thousand, two hundred twenty-one".