3022020421 has 4 divisors (see below), whose sum is σ = 3453737632. Its totient is φ = 2590303212.

The previous prime is 3022020413. The next prime is 3022020437. The reversal of 3022020421 is 1240202203.

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: 1240202203 = 1549 ⋅800647.

It is not a de Polignac number, because 3022020421 - 2³ = 3022020413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3022020395 and 3022020404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3022020451) 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, 215858595 + ... + 215858608.

It is an arithmetic number, because the mean of its divisors is an integer number (863434408).

Almost surely, 2^3022020421 is an apocalyptic number.

It is an amenable number.

3022020421 is a deficient number, since it is larger than the sum of its proper divisors (431717211).

3022020421 is an equidigital number, since it uses as much as digits as its factorization.

3022020421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431717210.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 3022020421 is about 54972.9062448039. The cubic root of 3022020421 is about 1445.7697428653.

Adding to 3022020421 its reverse (1240202203), we get a palindrome (4262222624).

The spelling of 3022020421 in words is "three billion, twenty-two million, twenty thousand, four hundred twenty-one".