3022030021 has 4 divisors (see below), whose sum is σ = 3025124172. Its totient is φ = 3018935872.

The previous prime is 3022029953. The next prime is 3022030027. The reversal of 3022030021 is 1200302203.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1200302203 = 521 ⋅2303843.

It can be written as a sum of positive squares in 2 ways, for example, as 2891750625 + 130279396 = 53775^2 + 11414^2 .

It is a cyclic number.

It is not a de Polignac number, because 3022030021 - 2¹¹ = 3022027973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3022029983 and 3022030010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3022030027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1545610 + ... + 1547563.

It is an arithmetic number, because the mean of its divisors is an integer number (756281043).

Almost surely, 2^3022030021 is an apocalyptic number.

It is an amenable number.

3022030021 is a deficient number, since it is larger than the sum of its proper divisors (3094151).

3022030021 is an equidigital number, since it uses as much as digits as its factorization.

3022030021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094150.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3022030021 is about 54972.9935604748. The cubic root of 3022030021 is about 1445.7712737809.

Adding to 3022030021 its reverse (1200302203), we get a palindrome (4222332224).

The spelling of 3022030021 in words is "three billion, twenty-two million, thirty thousand, twenty-one".