4531222 has 4 divisors (see below), whose sum is σ = 6796836. Its totient is φ = 2265610.

The previous prime is 4531217. The next prime is 4531243. The reversal of 4531222 is 2221354.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4531222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132804 + ... + 1132807.

It is an arithmetic number, because the mean of its divisors is an integer number (1699209).

Almost surely, 2^4531222 is an apocalyptic number.

4531222 is a deficient number, since it is larger than the sum of its proper divisors (2265614).

4531222 is a wasteful number, since it uses less digits than its factorization.

4531222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265613.

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

The square root of 4531222 is about 2128.6667188642. Note that the first 3 decimals coincide. The cubic root of 4531222 is about 165.4773078540.

Adding to 4531222 its reverse (2221354), we get a palindrome (6752576).

It can be divided in two parts, 4531 and 222, that added together give a triangular number (4753 = T₉₇).

The spelling of 4531222 in words is "four million, five hundred thirty-one thousand, two hundred twenty-two".