4201221242 has 32 divisors (see below), whose sum is σ = 6671877120. Its totient is φ = 1980840960.

The previous prime is 4201221229. The next prime is 4201221253. The reversal of 4201221242 is 2421221024.

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, 1571567 + ... + 1574237.

It is an arithmetic number, because the mean of its divisors is an integer number (208496160).

Almost surely, 2^4201221242 is an apocalyptic number.

4201221242 is a deficient number, since it is larger than the sum of its proper divisors (2470655878).

4201221242 is a wasteful number, since it uses less digits than its factorization.

4201221242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 4201221242 is about 64816.8283858444. The cubic root of 4201221242 is about 1613.5850107769.

Adding to 4201221242 its reverse (2421221024), we get a palindrome (6622442266).

The spelling of 4201221242 in words is "four billion, two hundred one million, two hundred twenty-one thousand, two hundred forty-two".