322223213 has 4 divisors (see below), whose sum is σ = 347009628. Its totient is φ = 297436800.

The previous prime is 322223197. The next prime is 322223221. The reversal of 322223213 is 312322223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312322223 = 59 ⋅5293597.

It can be written as a sum of positive squares in 2 ways, for example, as 15342889 + 306880324 = 3917^2 + 17518^2 .

It is a cyclic number.

It is not a de Polignac number, because 322223213 - 2⁴ = 322223197 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 (322223273) 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, 12393188 + ... + 12393213.

It is an arithmetic number, because the mean of its divisors is an integer number (86752407).

Almost surely, 2^322223213 is an apocalyptic number.

It is an amenable number.

322223213 is a deficient number, since it is larger than the sum of its proper divisors (24786415).

322223213 is a wasteful number, since it uses less digits than its factorization.

322223213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24786414.

The product of its digits is 864, while the sum is 20.

The square root of 322223213 is about 17950.5769545160. The cubic root of 322223213 is about 685.5707414045.

Adding to 322223213 its reverse (312322223), we get a palindrome (634545436).

The spelling of 322223213 in words is "three hundred twenty-two million, two hundred twenty-three thousand, two hundred thirteen".