2218767340 has 24 divisors (see below), whose sum is σ = 4809716352. Its totient is φ = 858877440.

The previous prime is 2218767337. The next prime is 2218767361. The reversal of 2218767340 is 437678122.

It is a junction number, because it is equal to n+sod(n) for n = 2218767293 and 2218767302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1788709 + ... + 1789948.

It is an arithmetic number, because the mean of its divisors is an integer number (200404848).

Almost surely, 2^2218767340 is an apocalyptic number.

2218767340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2218767340 is an abundant number, since it is smaller than the sum of its proper divisors (2590949012).

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

2218767340 is a wasteful number, since it uses less digits than its factorization.

2218767340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578697 (or 3578695 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 2218767340 is about 47103.7932655110. The cubic root of 2218767340 is about 1304.2792592907.

The spelling of 2218767340 in words is "two billion, two hundred eighteen million, seven hundred sixty-seven thousand, three hundred forty".