213330238 has 8 divisors (see below), whose sum is σ = 349085880. Its totient is φ = 96968280.

The previous prime is 213330209. The next prime is 213330239. The reversal of 213330238 is 832033312.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213330239) 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, 4848393 + ... + 4848436.

It is an arithmetic number, because the mean of its divisors is an integer number (43635735).

Almost surely, 2^213330238 is an apocalyptic number.

213330238 is a deficient number, since it is larger than the sum of its proper divisors (135755642).

213330238 is a wasteful number, since it uses less digits than its factorization.

213330238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9696842.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 213330238 is about 14605.8289049270. The cubic root of 213330238 is about 597.5177429767.

The spelling of 213330238 in words is "two hundred thirteen million, three hundred thirty thousand, two hundred thirty-eight".