4222343221 has 8 divisors (see below), whose sum is σ = 4329963288. Its totient is φ = 4114944000.

The previous prime is 4222343123. The next prime is 4222343269. The reversal of 4222343221 is 1223432224.

It can be written as a sum of positive squares in 4 ways, for example, as 417180625 + 3805162596 = 20425^2 + 61686^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4222343221 - 2²⁷ = 4088125493 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 (4222343821) 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, 16140 + ... + 93301.

It is an arithmetic number, because the mean of its divisors is an integer number (541245411).

Almost surely, 2^4222343221 is an apocalyptic number.

4222343221 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4222343221 is a deficient number, since it is larger than the sum of its proper divisors (107620067).

4222343221 is a wasteful number, since it uses less digits than its factorization.

4222343221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110423.

The product of its digits is 4608, while the sum is 25.

The square root of 4222343221 is about 64979.5600246724. The cubic root of 4222343221 is about 1616.2846346007.

Adding to 4222343221 its reverse (1223432224), we get a palindrome (5445775445).

The spelling of 4222343221 in words is "four billion, two hundred twenty-two million, three hundred forty-three thousand, two hundred twenty-one".