4022120 has 32 divisors (see below), whose sum is σ = 9114120. Its totient is φ = 1597440.

The previous prime is 4022113. The next prime is 4022143. The reversal of 4022120 is 212204.

It can be written as a sum of positive squares in 4 ways, for example, as 2316484 + 1705636 = 1522^2 + 1306^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7460 + ... + 7980.

Almost surely, 2^4022120 is an apocalyptic number.

4022120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4022120 is an abundant number, since it is smaller than the sum of its proper divisors (5092000).

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

4022120 is a wasteful number, since it uses less digits than its factorization.

4022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 4022120 is about 2005.5223758413. The cubic root of 4022120 is about 159.0321783956.

Adding to 4022120 its reverse (212204), we get a palindrome (4234324).

The spelling of 4022120 in words is "four million, twenty-two thousand, one hundred twenty".