4002314221 has 2 divisors, whose sum is σ = 4002314222. Its totient is φ = 4002314220.

The previous prime is 4002314189. The next prime is 4002314231. The reversal of 4002314221 is 1224132004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3704061321 + 298252900 = 60861^2 + 17270^2 .

It is a cyclic number.

It is not a de Polignac number, because 4002314221 - 2⁵ = 4002314189 is a prime.

It is a super-3 number, since 3×4002314221³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4002314231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001157110 + 2001157111.

It is an arithmetic number, because the mean of its divisors is an integer number (2001157111).

Almost surely, 2^4002314221 is an apocalyptic number.

It is an amenable number.

4002314221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4002314221 is an equidigital number, since it uses as much as digits as its factorization.

4002314221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4002314221 is about 63263.8460813125. The cubic root of 4002314221 is about 1587.7071260197.

Adding to 4002314221 its reverse (1224132004), we get a palindrome (5226446225).

The spelling of 4002314221 in words is "four billion, two million, three hundred fourteen thousand, two hundred twenty-one".