218150223 has 8 divisors (see below), whose sum is σ = 297631488. Its totient is φ = 142051224.

The previous prime is 218150221. The next prime is 218150227. The reversal of 218150223 is 322051812.

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

It is not a de Polignac number, because 218150223 - 2¹ = 218150221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 218150193 and 218150202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218150221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845415 + ... + 845672.

It is an arithmetic number, because the mean of its divisors is an integer number (37203936).

Almost surely, 2^218150223 is an apocalyptic number.

218150223 is a deficient number, since it is larger than the sum of its proper divisors (79481265).

218150223 is a wasteful number, since it uses less digits than its factorization.

218150223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691133.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 218150223 is about 14769.9093768378. The cubic root of 218150223 is about 601.9843770665.

The spelling of 218150223 in words is "two hundred eighteen million, one hundred fifty thousand, two hundred twenty-three".