4222313221 has 16 divisors (see below), whose sum is σ = 4857894400. Its totient is φ = 3594907008.

The previous prime is 4222313213. The next prime is 4222313231. The reversal of 4222313221 is 1223132224.

It is not a de Polignac number, because 4222313221 - 2³ = 4222313213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4222313192 and 4222313201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222313231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 739345 + ... + 745033.

It is an arithmetic number, because the mean of its divisors is an integer number (303618400).

Almost surely, 2^4222313221 is an apocalyptic number.

It is an amenable number.

4222313221 is a deficient number, since it is larger than the sum of its proper divisors (635581179).

4222313221 is a wasteful number, since it uses less digits than its factorization.

4222313221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6388.

The product of its digits is 1152, while the sum is 22.

The square root of 4222313221 is about 64979.3291824408. The cubic root of 4222313221 is about 1616.2808066588.

Adding to 4222313221 its reverse (1223132224), we get a palindrome (5445445445).

The spelling of 4222313221 in words is "four billion, two hundred twenty-two million, three hundred thirteen thousand, two hundred twenty-one".