5422021 has 4 divisors (see below), whose sum is σ = 5914944. Its totient is φ = 4929100.

The previous prime is 5422019. The next prime is 5422037. The reversal of 5422021 is 1202245.

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 not a de Polignac number, because 5422021 - 2¹ = 5422019 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5421986 and 5422004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5422051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246445 + ... + 246466.

It is an arithmetic number, because the mean of its divisors is an integer number (1478736).

Almost surely, 2^5422021 is an apocalyptic number.

It is an amenable number.

5422021 is a deficient number, since it is larger than the sum of its proper divisors (492923).

5422021 is a wasteful number, since it uses less digits than its factorization.

5422021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492922.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 5422021 is about 2328.5233518262. The cubic root of 5422021 is about 175.6792215741.

Adding to 5422021 its reverse (1202245), we get a palindrome (6624266).

The spelling of 5422021 in words is "five million, four hundred twenty-two thousand, twenty-one".