218268002 has 4 divisors (see below), whose sum is σ = 327402006. Its totient is φ = 109134000.

The previous prime is 218267971. The next prime is 218268013. The reversal of 218268002 is 200862812.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 203376121 + 14891881 = 14261^2 + 3859^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54566999 + ... + 54567002.

Almost surely, 2^218268002 is an apocalyptic number.

218268002 is a deficient number, since it is larger than the sum of its proper divisors (109134004).

218268002 is a wasteful number, since it uses less digits than its factorization.

218268002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109134003.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 218268002 is about 14773.8959655197. The cubic root of 218268002 is about 602.0926944162.

The spelling of 218268002 in words is "two hundred eighteen million, two hundred sixty-eight thousand, two".