5423221 has 8 divisors (see below), whose sum is σ = 5840640. Its totient is φ = 5016768.

The previous prime is 5423207. The next prime is 5423237. The reversal of 5423221 is 1223245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5423221 - 2⁹ = 5422709 is a prime.

It is a super-2 number, since 2×5423221² = 58822652029682, which contains 22 as substring.

It is a d-powerful number, because it can be written as 5⁵ + 4 + 2⁶ + 3¹¹ + 2²⁰ + 2²² + 1 .

It is a Duffinian number.

5423221 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5423291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1701 + ... + 3706.

It is an arithmetic number, because the mean of its divisors is an integer number (730080).

Almost surely, 2^5423221 is an apocalyptic number.

It is an amenable number.

5423221 is a deficient number, since it is larger than the sum of its proper divisors (417419).

5423221 is a wasteful number, since it uses less digits than its factorization.

5423221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5483.

The product of its digits is 480, while the sum is 19.

The square root of 5423221 is about 2328.7810116024. The cubic root of 5423221 is about 175.6921810417.

Adding to 5423221 its reverse (1223245), we get a palindrome (6646466).

The spelling of 5423221 in words is "five million, four hundred twenty-three thousand, two hundred twenty-one".