4422132221 has 8 divisors (see below), whose sum is σ = 4852151640. Its totient is φ = 4004949312.

The previous prime is 4422132199. The next prime is 4422132223. The reversal of 4422132221 is 1222312244.

It can be written as a sum of positive squares in 4 ways, for example, as 1088340100 + 3333792121 = 32990^2 + 57739^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-4422132221 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 (4422132223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3208406 + ... + 3209783.

It is an arithmetic number, because the mean of its divisors is an integer number (606518955).

Almost surely, 2^4422132221 is an apocalyptic number.

It is an amenable number.

4422132221 is a deficient number, since it is larger than the sum of its proper divisors (430019419).

4422132221 is a wasteful number, since it uses less digits than its factorization.

4422132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6418255.

The product of its digits is 1536, while the sum is 23.

The square root of 4422132221 is about 66499.1144377126. The cubic root of 4422132221 is about 1641.3854321316.

Adding to 4422132221 its reverse (1222312244), we get a palindrome (5644444465).

The spelling of 4422132221 in words is "four billion, four hundred twenty-two million, one hundred thirty-two thousand, two hundred twenty-one".