2218410740 has 96 divisors (see below), whose sum is σ = 6035608320. Its totient is φ = 665127936.

The previous prime is 2218410737. The next prime is 2218410769. The reversal of 2218410740 is 470148122.

It is a super-2 number, since 2×2218410740² = 9842692422694695200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2504 + ... + 66656.

It is an arithmetic number, because the mean of its divisors is an integer number (62870920).

Almost surely, 2^2218410740 is an apocalyptic number.

2218410740 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 2218410740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3017804160).

2218410740 is an abundant number, since it is smaller than the sum of its proper divisors (3817197580).

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

2218410740 is a wasteful number, since it uses less digits than its factorization.

2218410740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64201 (or 64199 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 2218410740 is about 47100.0078556257. The cubic root of 2218410740 is about 1304.2093810156.

Adding to 2218410740 its reverse (470148122), we get a palindrome (2688558862).

The spelling of 2218410740 in words is "two billion, two hundred eighteen million, four hundred ten thousand, seven hundred forty".