4166220 has 48 divisors (see below), whose sum is σ = 12176640. Its totient is φ = 1062336.

The previous prime is 4166219. The next prime is 4166231. The reversal of 4166220 is 226614.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130 + ... + 2889.

It is an arithmetic number, because the mean of its divisors is an integer number (253680).

Almost surely, 2^4166220 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 4166220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6088320).

4166220 is an abundant number, since it is smaller than the sum of its proper divisors (8010420).

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

4166220 is a wasteful number, since it uses less digits than its factorization.

4166220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054 (or 3052 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4166220 is about 2041.1320388451. The cubic root of 4166220 is about 160.9091472031.

The spelling of 4166220 in words is "four million, one hundred sixty-six thousand, two hundred twenty".