4225220 has 24 divisors (see below), whose sum is σ = 9340800. Its totient is φ = 1600992.

The previous prime is 4225219. The next prime is 4225229. The reversal of 4225220 is 225224.

It is not an unprimeable number, because it can be changed into a prime (4225229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5180 + ... + 5939.

It is an arithmetic number, because the mean of its divisors is an integer number (389200).

Almost surely, 2^4225220 is an apocalyptic number.

It is an amenable number.

4225220 is an abundant number, since it is smaller than the sum of its proper divisors (5115580).

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

4225220 is a wasteful number, since it uses less digits than its factorization.

4225220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11147 (or 11145 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 4225220 is about 2055.5339938809. The cubic root of 4225220 is about 161.6651621830.

It can be divided in two parts, 42 and 25220, that multiplied together give a triangular number (1059240 = T₁₄₅₅).

The spelling of 4225220 in words is "four million, two hundred twenty-five thousand, two hundred twenty".