4220250 has 64 divisors (see below), whose sum is σ = 11187072. Its totient is φ = 1056000.

The previous prime is 4220243. The next prime is 4220269. The reversal of 4220250 is 520224.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12585 + ... + 12915.

It is an arithmetic number, because the mean of its divisors is an integer number (174798).

Almost surely, 2^4220250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4220250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5593536).

4220250 is an abundant number, since it is smaller than the sum of its proper divisors (6966822).

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

4220250 is a wasteful number, since it uses less digits than its factorization.

4220250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 358 counting only the distinct ones).

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

The square root of 4220250 is about 2054.3247065642. The cubic root of 4220250 is about 161.6017500137.

Adding to 4220250 its reverse (520224), we get a palindrome (4740474).

The spelling of 4220250 in words is "four million, two hundred twenty thousand, two hundred fifty".