213522333 has 8 divisors (see below), whose sum is σ = 284860896. Its totient is φ = 142266000.

The previous prime is 213522311. The next prime is 213522349. The reversal of 213522333 is 333225312.

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

It is not a de Polignac number, because 213522333 - 2⁸ = 213522077 is a prime.

It is a super-4 number, since 4×213522333⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213521333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14218 + ... + 25083.

It is an arithmetic number, because the mean of its divisors is an integer number (35607612).

Almost surely, 2^213522333 is an apocalyptic number.

It is an amenable number.

213522333 is a deficient number, since it is larger than the sum of its proper divisors (71338563).

213522333 is a wasteful number, since it uses less digits than its factorization.

213522333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41115.

The product of its digits is 3240, while the sum is 24.

The square root of 213522333 is about 14612.4033957457. The cubic root of 213522333 is about 597.6970357913.

Adding to 213522333 its reverse (333225312), we get a palindrome (546747645).

The spelling of 213522333 in words is "two hundred thirteen million, five hundred twenty-two thousand, three hundred thirty-three".