2218075560 has 96 divisors (see below), whose sum is σ = 7228016640. Its totient is φ = 589905792.

The previous prime is 2218075547. The next prime is 2218075567. The reversal of 2218075560 is 655708122.

It is a happy number.

2218075560 is a `hidden beast` number, since 2 + 21 + 8 + 0 + 75 + 560 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (2218075567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129837 + ... + 145923.

It is an arithmetic number, because the mean of its divisors is an integer number (75291840).

Almost surely, 2^2218075560 is an apocalyptic number.

2218075560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2218075560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3614008320).

2218075560 is an abundant number, since it is smaller than the sum of its proper divisors (5009941080).

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

2218075560 is a wasteful number, since it uses less digits than its factorization.

2218075560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16487 (or 16480 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 2218075560 is about 47096.4495477101. The cubic root of 2218075560 is about 1304.1436933125.

The spelling of 2218075560 in words is "two billion, two hundred eighteen million, seventy-five thousand, five hundred sixty".