4288220 has 24 divisors (see below), whose sum is σ = 9072000. Its totient is φ = 1702592.

The previous prime is 4288217. The next prime is 4288223. The reversal of 4288220 is 228824.

It is an interprime number because it is at equal distance from previous prime (4288217) and next prime (4288223).

It is a self number, because there is not a number n which added to its sum of digits gives 4288220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4288223) 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, 2261 + ... + 3699.

It is an arithmetic number, because the mean of its divisors is an integer number (378000).

Almost surely, 2^4288220 is an apocalyptic number.

It is an amenable number.

4288220 is an abundant number, since it is smaller than the sum of its proper divisors (4783780).

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

4288220 is a wasteful number, since it uses less digits than its factorization.

4288220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 4288220 is about 2070.8017770902. The cubic root of 4288220 is about 162.4647023925.

The spelling of 4288220 in words is "four million, two hundred eighty-eight thousand, two hundred twenty".