3220221250 has 40 divisors (see below), whose sum is σ = 6046064640. Its totient is φ = 1285938000.

The previous prime is 3220221233. The next prime is 3220221253. The reversal of 3220221250 is 521220223.

It is not an unprimeable number, because it can be changed into a prime (3220221253) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 896959 + ... + 900541.

It is an arithmetic number, because the mean of its divisors is an integer number (151151616).

Almost surely, 2^3220221250 is an apocalyptic number.

3220221250 is a deficient number, since it is larger than the sum of its proper divisors (2825843390).

3220221250 is an equidigital number, since it uses as much as digits as its factorization.

3220221250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324 (or 4309 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 3220221250 is about 56746.9933124214. The cubic root of 3220221250 is about 1476.7100725475.

Adding to 3220221250 its reverse (521220223), we get a palindrome (3741441473).

The spelling of 3220221250 in words is "three billion, two hundred twenty million, two hundred twenty-one thousand, two hundred fifty".