213334332 has 12 divisors (see below), whose sum is σ = 497780136. Its totient is φ = 71111440.

The previous prime is 213334327. The next prime is 213334333. The reversal of 213334332 is 233433312.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213334333) 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, 8888919 + ... + 8888942.

It is an arithmetic number, because the mean of its divisors is an integer number (41481678).

Almost surely, 2^213334332 is an apocalyptic number.

It is an amenable number.

213334332 is an abundant number, since it is smaller than the sum of its proper divisors (284445804).

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

213334332 is a wasteful number, since it uses less digits than its factorization.

213334332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17777868 (or 17777866 counting only the distinct ones).

The product of its digits is 3888, while the sum is 24.

The square root of 213334332 is about 14605.9690537807. The cubic root of 213334332 is about 597.5215652540.

Adding to 213334332 its reverse (233433312), we get a palindrome (446767644).

The spelling of 213334332 in words is "two hundred thirteen million, three hundred thirty-four thousand, three hundred thirty-two".