4422220 has 24 divisors (see below), whose sum is σ = 10131408. Its totient is φ = 1608000.

The previous prime is 4422211. The next prime is 4422221. The reversal of 4422220 is 222244.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4422194 and 4422203.

It is not an unprimeable number, because it can be changed into a prime (4422221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9831 + ... + 10270.

It is an arithmetic number, because the mean of its divisors is an integer number (422142).

Almost surely, 2^4422220 is an apocalyptic number.

It is an amenable number.

4422220 is an abundant number, since it is smaller than the sum of its proper divisors (5709188).

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

4422220 is a wasteful number, since it uses less digits than its factorization.

4422220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20121 (or 20119 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 4422220 is about 2102.9075110427. The cubic root of 4422220 is about 164.1396292520.

Adding to 4422220 its reverse (222244), we get a palindrome (4644464).

It can be divided in two parts, 442 and 2220, that added together give a palindrome (2662).

The spelling of 4422220 in words is "four million, four hundred twenty-two thousand, two hundred twenty".