213352236 has 36 divisors (see below), whose sum is σ = 542119032. Its totient is φ = 70746624.

The previous prime is 213352229. The next prime is 213352241. The reversal of 213352236 is 632253312.

213352236 is a `hidden beast` number, since 2 + 133 + 522 + 3 + 6 = 666.

213352236 is digitally balanced in base 3, 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 (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8406 + ... + 22301.

It is an arithmetic number, because the mean of its divisors is an integer number (15058862).

Almost surely, 2^213352236 is an apocalyptic number.

It is an amenable number.

213352236 is an abundant number, since it is smaller than the sum of its proper divisors (328766796).

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

213352236 is a wasteful number, since it uses less digits than its factorization.

213352236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30910 (or 30905 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 213352236 is about 14606.5819410292. The cubic root of 213352236 is about 597.5382803739.

The spelling of 213352236 in words is "two hundred thirteen million, three hundred fifty-two thousand, two hundred thirty-six".