4947222 has 32 divisors (see below), whose sum is σ = 11499264. Its totient is φ = 1389600.

The previous prime is 4947203. The next prime is 4947251. The reversal of 4947222 is 2227494.

It is a d-powerful number, because it can be written as 4 + 9⁷ + 4³ + 7³ + 2 + 2¹⁵ + 2¹⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 4947222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1597 + ... + 3527.

It is an arithmetic number, because the mean of its divisors is an integer number (359352).

Almost surely, 2^4947222 is an apocalyptic number.

4947222 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4947222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5749632).

4947222 is an abundant number, since it is smaller than the sum of its proper divisors (6552042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4947222 is a wasteful number, since it uses less digits than its factorization.

4947222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004.

The product of its digits is 8064, while the sum is 30.

The square root of 4947222 is about 2224.2351494390. The cubic root of 4947222 is about 170.3938044652.

It can be divided in two parts, 49472 and 22, that added together give a palindrome (49494).

The spelling of 4947222 in words is "four million, nine hundred forty-seven thousand, two hundred twenty-two".