3020302221 has 4 divisors (see below), whose sum is σ = 4027069632. Its totient is φ = 2013534812.

The previous prime is 3020302213. The next prime is 3020302279. The reversal of 3020302221 is 1222030203.

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.

It is a cyclic number.

It is not a de Polignac number, because 3020302221 - 2³ = 3020302213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3020302221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020302321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503383701 + ... + 503383706.

It is an arithmetic number, because the mean of its divisors is an integer number (1006767408).

Almost surely, 2^3020302221 is an apocalyptic number.

It is an amenable number.

3020302221 is a deficient number, since it is larger than the sum of its proper divisors (1006767411).

3020302221 is a wasteful number, since it uses less digits than its factorization.

3020302221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006767410.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3020302221 is about 54957.2763244322. The cubic root of 3020302221 is about 1445.4956886272.

Adding to 3020302221 its reverse (1222030203), we get a palindrome (4242332424).

The spelling of 3020302221 in words is "three billion, twenty million, three hundred two thousand, two hundred twenty-one".