210027218 has 8 divisors (see below), whose sum is σ = 315410160. Its totient is φ = 104890500.

The previous prime is 210027203. The next prime is 210027227. The reversal of 210027218 is 812720012.

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

It is a super-2 number, since 2×210027218² = 88222864601639048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210027193 and 210027202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59408 + ... + 62843.

It is an arithmetic number, because the mean of its divisors is an integer number (39426270).

Almost surely, 2^210027218 is an apocalyptic number.

210027218 is a deficient number, since it is larger than the sum of its proper divisors (105382942).

210027218 is a wasteful number, since it uses less digits than its factorization.

210027218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123112.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 210027218 is about 14492.3158259817. The cubic root of 210027218 is about 594.4178737967.

The spelling of 210027218 in words is "two hundred ten million, twenty-seven thousand, two hundred eighteen".