4202210221 has 16 divisors (see below), whose sum is σ = 4846271040. Its totient is φ = 3603553920.

The previous prime is 4202210219. The next prime is 4202210231. The reversal of 4202210221 is 1220122024.

It is a cyclic number.

It is not a de Polignac number, because 4202210221 - 2¹ = 4202210219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4202210195 and 4202210204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4202210231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5551 + ... + 91843.

It is an arithmetic number, because the mean of its divisors is an integer number (302891940).

Almost surely, 2^4202210221 is an apocalyptic number.

It is an amenable number.

4202210221 is a deficient number, since it is larger than the sum of its proper divisors (644060819).

4202210221 is a wasteful number, since it uses less digits than its factorization.

4202210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86556.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 4202210221 is about 64824.4569664876. The cubic root of 4202210221 is about 1613.7116149551.

Adding to 4202210221 its reverse (1220122024), we get a palindrome (5422332245).

The spelling of 4202210221 in words is "four billion, two hundred two million, two hundred ten thousand, two hundred twenty-one".