5421223 has 4 divisors (see below), whose sum is σ = 5447128. Its totient is φ = 5395320.

The previous prime is 5421209. The next prime is 5421263. The reversal of 5421223 is 3221245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5421223 - 2⁵ = 5421191 is a prime.

It is a d-powerful number, because it can be written as 5⁷ + 4⁵ + 2¹¹ + 1 + 2¹⁵ + 2¹⁹ + 3¹⁴ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5421223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421263) 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, 12636 + ... + 13057.

It is an arithmetic number, because the mean of its divisors is an integer number (1361782).

Almost surely, 2^5421223 is an apocalyptic number.

5421223 is a deficient number, since it is larger than the sum of its proper divisors (25905).

5421223 is a wasteful number, since it uses less digits than its factorization.

5421223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25904.

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

The square root of 5421223 is about 2328.3519922898. The cubic root of 5421223 is about 175.6706024696.

Adding to 5421223 its reverse (3221245), we get a palindrome (8642468).

The spelling of 5421223 in words is "five million, four hundred twenty-one thousand, two hundred twenty-three".