3002221021 has 4 divisors (see below), whose sum is σ = 3066098112. Its totient is φ = 2938343932.

The previous prime is 3002221003. The next prime is 3002221043. The reversal of 3002221021 is 1201222003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1201222003 = 1249 ⋅961747.

It is not a de Polignac number, because 3002221021 - 2¹⁷ = 3002089949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3002220992 and 3002221010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3002221421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31938475 + ... + 31938568.

It is an arithmetic number, because the mean of its divisors is an integer number (766524528).

Almost surely, 2^3002221021 is an apocalyptic number.

It is an amenable number.

3002221021 is a deficient number, since it is larger than the sum of its proper divisors (63877091).

3002221021 is an equidigital number, since it uses as much as digits as its factorization.

3002221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63877090.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 3002221021 is about 54792.5270543347. The cubic root of 3002221021 is about 1442.6054010191.

Adding to 3002221021 its reverse (1201222003), we get a palindrome (4203443024).

The spelling of 3002221021 in words is "three billion, two million, two hundred twenty-one thousand, twenty-one".