4005200221 has 8 divisors (see below), whose sum is σ = 4626327744. Its totient is φ = 3426909120.

The previous prime is 4005200189. The next prime is 4005200231. The reversal of 4005200221 is 1220025004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4005200221 - 2⁵ = 4005200189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4005200195 and 4005200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005200231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10708905 + ... + 10709278.

It is an arithmetic number, because the mean of its divisors is an integer number (578290968).

Almost surely, 2^4005200221 is an apocalyptic number.

It is an amenable number.

4005200221 is a deficient number, since it is larger than the sum of its proper divisors (621127523).

4005200221 is a wasteful number, since it uses less digits than its factorization.

4005200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21418211.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 4005200221 is about 63286.6512070279. The cubic root of 4005200221 is about 1588.0886571032.

Adding to 4005200221 its reverse (1220025004), we get a palindrome (5225225225).

The spelling of 4005200221 in words is "four billion, five million, two hundred thousand, two hundred twenty-one".