4222721211 has 8 divisors (see below), whose sum is σ = 5654460240. Its totient is φ = 2803064832.

The previous prime is 4222721161. The next prime is 4222721213. The reversal of 4222721211 is 1121272224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4222721211 - 2⁶ = 4222721147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4222721213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3019846 + ... + 3021243.

It is an arithmetic number, because the mean of its divisors is an integer number (706807530).

Almost surely, 2^4222721211 is an apocalyptic number.

4222721211 is a deficient number, since it is larger than the sum of its proper divisors (1431739029).

4222721211 is a wasteful number, since it uses less digits than its factorization.

4222721211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6041325.

The product of its digits is 896, while the sum is 24.

The square root of 4222721211 is about 64982.4684895857. The cubic root of 4222721211 is about 1616.3328638395.

Adding to 4222721211 its reverse (1121272224), we get a palindrome (5343993435).

The spelling of 4222721211 in words is "four billion, two hundred twenty-two million, seven hundred twenty-one thousand, two hundred eleven".