233440212 has 12 divisors (see below), whose sum is σ = 544693856. Its totient is φ = 77813400.

The previous prime is 233440187. The next prime is 233440219. The reversal of 233440212 is 212044332.

233440212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233440219) 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, 9726664 + ... + 9726687.

Almost surely, 2^233440212 is an apocalyptic number.

It is an amenable number.

233440212 is an abundant number, since it is smaller than the sum of its proper divisors (311253644).

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

233440212 is a wasteful number, since it uses less digits than its factorization.

233440212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19453358 (or 19453356 counting only the distinct ones).

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

The square root of 233440212 is about 15278.7503415692. The cubic root of 233440212 is about 615.7322337943.

Adding to 233440212 its reverse (212044332), we get a palindrome (445484544).

The spelling of 233440212 in words is "two hundred thirty-three million, four hundred forty thousand, two hundred twelve".