4538222 has 16 divisors (see below), whose sum is σ = 7650720. Its totient is φ = 2003232.

The previous prime is 4538197. The next prime is 4538227. The reversal of 4538222 is 2228354.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 4538191 and 4538200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4538227) 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, 3197 + ... + 4392.

It is an arithmetic number, because the mean of its divisors is an integer number (478170).

Almost surely, 2^4538222 is an apocalyptic number.

4538222 is a deficient number, since it is larger than the sum of its proper divisors (3112498).

4538222 is a wasteful number, since it uses less digits than its factorization.

4538222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7627.

The product of its digits is 3840, while the sum is 26.

The square root of 4538222 is about 2130.3103060352. The cubic root of 4538222 is about 165.5624758421.

The spelling of 4538222 in words is "four million, five hundred thirty-eight thousand, two hundred twenty-two".