2218060944 has 120 divisors (see below), whose sum is σ = 6783940800. Its totient is φ = 670936320.

The previous prime is 2218060919. The next prime is 2218060951. The reversal of 2218060944 is 4490608122.

2218060944 is a `hidden beast` number, since 2 + 2 + 1 + 8 + 0 + 609 + 44 = 666.

It is a super-2 number, since 2×2218060944² = 9839588702596342272, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 2218060899 and 2218060908.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1328142 + ... + 1329810.

It is an arithmetic number, because the mean of its divisors is an integer number (56532840).

Almost surely, 2^2218060944 is an apocalyptic number.

2218060944 is a gapful number since it is divisible by the number (24) 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 2218060944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3391970400).

2218060944 is an abundant number, since it is smaller than the sum of its proper divisors (4565879856).

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

2218060944 is a wasteful number, since it uses less digits than its factorization.

2218060944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533 (or 2524 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 2218060944 is about 47096.2943765218. The cubic root of 2218060944 is about 1304.1408287563.

The spelling of 2218060944 in words is "two billion, two hundred eighteen million, sixty thousand, nine hundred forty-four".