4542223 has 4 divisors (see below), whose sum is σ = 5191120. Its totient is φ = 3893328.

The previous prime is 4542211. The next prime is 4542253. The reversal of 4542223 is 3222454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3222454 = 2 ⋅1611227.

It is a cyclic number.

It is not a de Polignac number, because 4542223 - 2⁵ = 4542191 is a prime.

It is a super-3 number, since 3×4542223³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

4542223 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4542194 and 4542203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542203) 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, 324438 + ... + 324451.

It is an arithmetic number, because the mean of its divisors is an integer number (1297780).

Almost surely, 2^4542223 is an apocalyptic number.

4542223 is a deficient number, since it is larger than the sum of its proper divisors (648897).

4542223 is an equidigital number, since it uses as much as digits as its factorization.

4542223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648896.

The product of its digits is 1920, while the sum is 22.

The square root of 4542223 is about 2131.2491642227. The cubic root of 4542223 is about 165.6111161021.

Adding to 4542223 its reverse (3222454), we get a palindrome (7764677).

The spelling of 4542223 in words is "four million, five hundred forty-two thousand, two hundred twenty-three".