218464002 has 12 divisors (see below), whose sum is σ = 473338710. Its totient is φ = 72821328.

The previous prime is 218463983. The next prime is 218464007. The reversal of 218464002 is 200464812.

218464002 is a `hidden beast` number, since 2 + 18 + 4 + 640 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 208484721 + 9979281 = 14439^2 + 3159^2 .

It is not an unprimeable number, because it can be changed into a prime (218464007) 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 5 ways as a sum of consecutive naturals, for example, 6068427 + ... + 6068462.

Almost surely, 2^218464002 is an apocalyptic number.

218464002 is an abundant number, since it is smaller than the sum of its proper divisors (254874708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

218464002 is a wasteful number, since it uses less digits than its factorization.

218464002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12136897 (or 12136894 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 218464002 is about 14780.5277984245. The cubic root of 218464002 is about 602.2728626209.

The spelling of 218464002 in words is "two hundred eighteen million, four hundred sixty-four thousand, two".