218067201 has 16 divisors (see below), whose sum is σ = 352432320. Its totient is φ = 132161760.

The previous prime is 218067197. The next prime is 218067221. The reversal of 218067201 is 102760812.

It is not a de Polignac number, because 218067201 - 2² = 218067197 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (218067221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366820 + ... + 367413.

It is an arithmetic number, because the mean of its divisors is an integer number (22027020).

Almost surely, 2^218067201 is an apocalyptic number.

It is an amenable number.

218067201 is a deficient number, since it is larger than the sum of its proper divisors (134365119).

218067201 is a wasteful number, since it uses less digits than its factorization.

218067201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734253 (or 734247 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 218067201 is about 14767.0985978966. The cubic root of 218067201 is about 601.9080011214.

The spelling of 218067201 in words is "two hundred eighteen million, sixty-seven thousand, two hundred one".