4017220 has 12 divisors (see below), whose sum is σ = 8436204. Its totient is φ = 1606880.

The previous prime is 4017217. The next prime is 4017257. The reversal of 4017220 is 227104.

It can be written as a sum of positive squares in 2 ways, for example, as 1633284 + 2383936 = 1278^2 + 1544^2 .

It is a super-2 number, since 2×4017220² = 32276113056800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4017194 and 4017203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100411 + ... + 100450.

It is an arithmetic number, because the mean of its divisors is an integer number (703017).

Almost surely, 2^4017220 is an apocalyptic number.

It is an amenable number.

4017220 is an abundant number, since it is smaller than the sum of its proper divisors (4418984).

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

4017220 is a wasteful number, since it uses less digits than its factorization.

4017220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200870 (or 200868 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 4017220 is about 2004.3003766901. The cubic root of 4017220 is about 158.9675711457.

The spelling of 4017220 in words is "four million, seventeen thousand, two hundred twenty".