4222342221 has 4 divisors (see below), whose sum is σ = 5629789632. Its totient is φ = 2814894812.

The previous prime is 4222342217. The next prime is 4222342247. The reversal of 4222342221 is 1222432224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4222342221 - 2² = 4222342217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4222342191 and 4222342200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222342291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703723701 + ... + 703723706.

It is an arithmetic number, because the mean of its divisors is an integer number (1407447408).

Almost surely, 2^4222342221 is an apocalyptic number.

It is an amenable number.

4222342221 is a deficient number, since it is larger than the sum of its proper divisors (1407447411).

4222342221 is a wasteful number, since it uses less digits than its factorization.

4222342221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407447410.

The product of its digits is 3072, while the sum is 24.

The square root of 4222342221 is about 64979.5523299445. The cubic root of 4222342221 is about 1616.2845070029.

Adding to 4222342221 its reverse (1222432224), we get a palindrome (5444774445).

The spelling of 4222342221 in words is "four billion, two hundred twenty-two million, three hundred forty-two thousand, two hundred twenty-one".