4250220 has 48 divisors (see below), whose sum is σ = 12818400. Its totient is φ = 1046016.

The previous prime is 4250219. The next prime is 4250231. The reversal of 4250220 is 220524.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 4250220.

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, 1945 + ... + 3504.

It is an arithmetic number, because the mean of its divisors is an integer number (267050).

Almost surely, 2^4250220 is an apocalyptic number.

It is an amenable number.

4250220 is an abundant number, since it is smaller than the sum of its proper divisors (8568180).

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

4250220 is a wasteful number, since it uses less digits than its factorization.

4250220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5474 (or 5472 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 4250220 is about 2061.6061699558. The cubic root of 4250220 is about 161.9833849748.

Adding to 4250220 its reverse (220524), we get a palindrome (4470744).

The spelling of 4250220 in words is "four million, two hundred fifty thousand, two hundred twenty".