213322324 has 12 divisors (see below), whose sum is σ = 395273844. Its totient is φ = 100386944.

The previous prime is 213322313. The next prime is 213322339. The reversal of 213322324 is 423223312.

It can be written as a sum of positive squares in 2 ways, for example, as 144432324 + 68890000 = 12018^2 + 8300^2 .

It is a junction number, because it is equal to n+sod(n) for n = 213322295 and 213322304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1568479 + ... + 1568614.

It is an arithmetic number, because the mean of its divisors is an integer number (32939487).

Almost surely, 2^213322324 is an apocalyptic number.

It is an amenable number.

213322324 is a deficient number, since it is larger than the sum of its proper divisors (181951520).

213322324 is a wasteful number, since it uses less digits than its factorization.

213322324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3137114 (or 3137112 counting only the distinct ones).

The product of its digits is 1728, while the sum is 22.

The square root of 213322324 is about 14605.5579831789. The cubic root of 213322324 is about 597.5103540978.

Adding to 213322324 its reverse (423223312), we get a palindrome (636545636).

The spelling of 213322324 in words is "two hundred thirteen million, three hundred twenty-two thousand, three hundred twenty-four".