218200364 has 12 divisors (see below), whose sum is σ = 389055744. Its totient is φ = 107041584.

The previous prime is 218200343. The next prime is 218200369. The reversal of 218200364 is 463002812.

It is a super-2 number, since 2×218200364² = 95222797699464992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (218200369) 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, 514412 + ... + 514835.

It is an arithmetic number, because the mean of its divisors is an integer number (32421312).

Almost surely, 2^218200364 is an apocalyptic number.

It is an amenable number.

218200364 is a deficient number, since it is larger than the sum of its proper divisors (170855380).

218200364 is a wasteful number, since it uses less digits than its factorization.

218200364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029304 (or 1029302 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 218200364 is about 14771.6066830931. The cubic root of 218200364 is about 602.0304948074.

The spelling of 218200364 in words is "two hundred eighteen million, two hundred thousand, three hundred sixty-four".