2218210560 has 108 divisors (see below), whose sum is σ = 7674817332. Its totient is φ = 591519744.

The previous prime is 2218210529. The next prime is 2218210571. The reversal of 2218210560 is 650128122.

It is a happy number.

2218210560 is a `hidden beast` number, since 2 + 21 + 82 + 1 + 0 + 560 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1427026176 + 791184384 = 37776^2 + 28128^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84757 + ... + 107796.

Almost surely, 2^2218210560 is an apocalyptic number.

2218210560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2218210560 is an abundant number, since it is smaller than the sum of its proper divisors (5456606772).

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

2218210560 is a wasteful number, since it uses less digits than its factorization.

2218210560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192580 (or 192563 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 2218210560 is about 47097.8827549604. The cubic root of 2218210560 is about 1304.1701510566.

Adding to 2218210560 its reverse (650128122), we get a palindrome (2868338682).

The spelling of 2218210560 in words is "two billion, two hundred eighteen million, two hundred ten thousand, five hundred sixty".