213224322 has 8 divisors (see below), whose sum is σ = 426448656. Its totient is φ = 71074772.

The previous prime is 213224311. The next prime is 213224359. The reversal of 213224322 is 223422312.

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

213224322 is an admirable number.

It is a super-2 number, since 2×213224322² = 90929222984719368, which contains 22 as substring.

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, 17768688 + ... + 17768699.

It is an arithmetic number, because the mean of its divisors is an integer number (53306082).

Almost surely, 2^213224322 is an apocalyptic number.

213224322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213224322 is a wasteful number, since it uses less digits than its factorization.

213224322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35537392.

The product of its digits is 1152, while the sum is 21.

The square root of 213224322 is about 14602.2026420674. The cubic root of 213224322 is about 597.4188397200.

Adding to 213224322 its reverse (223422312), we get a palindrome (436646634).

The spelling of 213224322 in words is "two hundred thirteen million, two hundred twenty-four thousand, three hundred twenty-two".