4122220 has 24 divisors (see below), whose sum is σ = 8769600. Its totient is φ = 1627392.

The previous prime is 4122187. The next prime is 4122227. The reversal of 4122220 is 222214.

It is a self number, because there is not a number n which added to its sum of digits gives 4122220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4122227) 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, 276 + ... + 2884.

It is an arithmetic number, because the mean of its divisors is an integer number (365400).

Almost surely, 2^4122220 is an apocalyptic number.

It is an amenable number.

4122220 is an abundant number, since it is smaller than the sum of its proper divisors (4647380).

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

4122220 is a wasteful number, since it uses less digits than its factorization.

4122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697 (or 2695 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 4122220 is about 2030.3250971211. The cubic root of 4122220 is about 160.3406803408.

Adding to 4122220 its reverse (222214), we get a palindrome (4344434).

The spelling of 4122220 in words is "four million, one hundred twenty-two thousand, two hundred twenty".