4202003221 has 16 divisors (see below), whose sum is σ = 4704878080. Its totient is φ = 3726596160.

The previous prime is 4202003219. The next prime is 4202003233. The reversal of 4202003221 is 1223002024.

It is a cyclic number.

It is not a de Polignac number, because 4202003221 - 2¹ = 4202003219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4202003195 and 4202003204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4202003251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18511 + ... + 93523.

It is an arithmetic number, because the mean of its divisors is an integer number (294054880).

Almost surely, 2^4202003221 is an apocalyptic number.

It is an amenable number.

4202003221 is a deficient number, since it is larger than the sum of its proper divisors (502874859).

4202003221 is a wasteful number, since it uses less digits than its factorization.

4202003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75196.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4202003221 is about 64822.8603272025. The cubic root of 4202003221 is about 1613.6851174873.

Adding to 4202003221 its reverse (1223002024), we get a palindrome (5425005245).

The spelling of 4202003221 in words is "four billion, two hundred two million, three thousand, two hundred twenty-one".