4158220 has 48 divisors (see below), whose sum is σ = 9779616. Its totient is φ = 1472000.

The previous prime is 4158211. The next prime is 4158233. The reversal of 4158220 is 228514.

4158220 = T₈₆₄ + T₈₆₅ + ... + T₈₇₄.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 4158191 and 4158200.

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, 8790 + ... + 9250.

It is an arithmetic number, because the mean of its divisors is an integer number (203742).

Almost surely, 2^4158220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4158220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4889808).

4158220 is an abundant number, since it is smaller than the sum of its proper divisors (5621396).

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

4158220 is a wasteful number, since it uses less digits than its factorization.

4158220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 4158220 is about 2039.1714003487. The cubic root of 4158220 is about 160.8060883151.

The spelling of 4158220 in words is "four million, one hundred fifty-eight thousand, two hundred twenty".