218046082 has 4 divisors (see below), whose sum is σ = 327069126. Its totient is φ = 109023040.

The previous prime is 218046061. The next prime is 218046089. The reversal of 218046082 is 280640812.

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., 128346241 + 89699841 = 11329^2 + 9471^2 .

It is not an unprimeable number, because it can be changed into a prime (218046089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54511519 + ... + 54511522.

Almost surely, 2^218046082 is an apocalyptic number.

218046082 is a deficient number, since it is larger than the sum of its proper divisors (109023044).

218046082 is a wasteful number, since it uses less digits than its factorization.

218046082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109023043.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 218046082 is about 14766.3835112054. The cubic root of 218046082 is about 601.8885696412. Note that the first 3 decimals are identical.

Adding to 218046082 its reverse (280640812), we get a palindrome (498686894).

The spelling of 218046082 in words is "two hundred eighteen million, forty-six thousand, eighty-two".