2218049280 has 108 divisors (see below), whose sum is σ = 7674259320. Its totient is φ = 591476736.

The previous prime is 2218049233. The next prime is 2218049291. The reversal of 2218049280 is 829408122.

It is a super-3 number, since 3×2218049280³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84750 + ... + 107789.

Almost surely, 2^2218049280 is an apocalyptic number.

2218049280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2218049280 is an abundant number, since it is smaller than the sum of its proper divisors (5456210040).

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

2218049280 is a wasteful number, since it uses less digits than its factorization.

2218049280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192566 (or 192549 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 2218049280 is about 47096.1705449604. The cubic root of 2218049280 is about 1304.1385427468.

The spelling of 2218049280 in words is "two billion, two hundred eighteen million, forty-nine thousand, two hundred eighty".