4222021111 has 32 divisors (see below), whose sum is σ = 5585656320. Its totient is φ = 3089587200.

The previous prime is 4222021109. The next prime is 4222021117. The reversal of 4222021111 is 1111202224.

It is not a de Polignac number, because 4222021111 - 2¹ = 4222021109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222021117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 639435 + ... + 646003.

It is an arithmetic number, because the mean of its divisors is an integer number (174551760).

Almost surely, 2^4222021111 is an apocalyptic number.

4222021111 is a deficient number, since it is larger than the sum of its proper divisors (1363635209).

4222021111 is a wasteful number, since it uses less digits than its factorization.

4222021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7095.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 4222021111 is about 64977.0814287622. The cubic root of 4222021111 is about 1616.2435330404.

Adding to 4222021111 its reverse (1111202224), we get a palindrome (5333223335).

The spelling of 4222021111 in words is "four billion, two hundred twenty-two million, twenty-one thousand, one hundred eleven".