4042221250 has 60 divisors (see below), whose sum is σ = 7921781406. Its totient is φ = 1546336000.

The previous prime is 4042221221. The next prime is 4042221259. The reversal of 4042221250 is 521222404.

It can be written as a sum of positive squares in 5 ways, for example, as 73599241 + 3968622009 = 8579^2 + 62997^2 .

It is not an unprimeable number, because it can be changed into a prime (4042221259) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 658194 + ... + 664306.

Almost surely, 2^4042221250 is an apocalyptic number.

4042221250 is a deficient number, since it is larger than the sum of its proper divisors (3879560156).

4042221250 is an equidigital number, since it uses as much as digits as its factorization.

4042221250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6181 (or 6143 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 4042221250 is about 63578.4653007604. The cubic root of 4042221250 is about 1592.9666867110.

Adding to 4042221250 its reverse (521222404), we get a palindrome (4563443654).

The spelling of 4042221250 in words is "four billion, forty-two million, two hundred twenty-one thousand, two hundred fifty".