2218008280 has 32 divisors (see below), whose sum is σ = 4991900400. Its totient is φ = 886957696.

The previous prime is 2218008277. The next prime is 2218008281. The reversal of 2218008280 is 828008122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218008281) 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 7 ways as a sum of consecutive naturals, for example, 227751 + ... + 237289.

Almost surely, 2^2218008280 is an apocalyptic number.

2218008280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2218008280 is an abundant number, since it is smaller than the sum of its proper divisors (2773892120).

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

2218008280 is a wasteful number, since it uses less digits than its factorization.

2218008280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15363 (or 15359 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 2218008280 is about 47095.7352633973. The cubic root of 2218008280 is about 1304.1305071559.

The spelling of 2218008280 in words is "two billion, two hundred eighteen million, eight thousand, two hundred eighty".