4266220 has 48 divisors (see below), whose sum is σ = 10579968. Its totient is φ = 1414080.

The previous prime is 4266217. The next prime is 4266221. The reversal of 4266220 is 226624.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4266191 and 4266200.

It is not an unprimeable number, because it can be changed into a prime (4266221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3849 + ... + 4831.

It is an arithmetic number, because the mean of its divisors is an integer number (220416).

Almost surely, 2^4266220 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 4266220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5289984).

4266220 is an abundant number, since it is smaller than the sum of its proper divisors (6313748).

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

4266220 is a wasteful number, since it uses less digits than its factorization.

4266220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4266220 is about 2065.4829943623. The cubic root of 4266220 is about 162.1863931909.

The spelling of 4266220 in words is "four million, two hundred sixty-six thousand, two hundred twenty".