2216324140 has 12 divisors (see below), whose sum is σ = 4654280736. Its totient is φ = 886529648.

The previous prime is 2216324129. The next prime is 2216324147. The reversal of 2216324140 is 414236122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2216324147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55408084 + ... + 55408123.

It is an arithmetic number, because the mean of its divisors is an integer number (387856728).

Almost surely, 2^2216324140 is an apocalyptic number.

2216324140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2216324140 is an abundant number, since it is smaller than the sum of its proper divisors (2437956596).

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

2216324140 is a wasteful number, since it uses less digits than its factorization.

2216324140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110816216 (or 110816214 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2216324140 is about 47077.8519051156. The cubic root of 2216324140 is about 1303.8003469093.

The spelling of 2216324140 in words is "two billion, two hundred sixteen million, three hundred twenty-four thousand, one hundred forty".