214912238 has 4 divisors (see below), whose sum is σ = 322368360. Its totient is φ = 107456118.

The previous prime is 214912231. The next prime is 214912259. The reversal of 214912238 is 832219412.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214912231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53728058 + ... + 53728061.

It is an arithmetic number, because the mean of its divisors is an integer number (80592090).

Almost surely, 2^214912238 is an apocalyptic number.

214912238 is a deficient number, since it is larger than the sum of its proper divisors (107456122).

214912238 is a wasteful number, since it uses less digits than its factorization.

214912238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107456121.

The product of its digits is 6912, while the sum is 32.

The square root of 214912238 is about 14659.8853337944. The cubic root of 214912238 is about 598.9911175073.

The spelling of 214912238 in words is "two hundred fourteen million, nine hundred twelve thousand, two hundred thirty-eight".