2100022216 has 16 divisors (see below), whose sum is σ = 3968547840. Its totient is φ = 1041742800.

The previous prime is 2100022201. The next prime is 2100022217. The reversal of 2100022216 is 6122200012.

It is a self number, because there is not a number n which added to its sum of digits gives 2100022216.

It is not an unprimeable number, because it can be changed into a prime (2100022217) 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, 1032460 + ... + 1034491.

It is an arithmetic number, because the mean of its divisors is an integer number (248034240).

Almost surely, 2^2100022216 is an apocalyptic number.

It is an amenable number.

2100022216 is a deficient number, since it is larger than the sum of its proper divisors (1868525624).

2100022216 is a wasteful number, since it uses less digits than its factorization.

2100022216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067084 (or 2067080 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2100022216 is about 45825.9993453498. Note that the first 3 decimals coincide. The cubic root of 2100022216 is about 1280.5836807409.

Adding to 2100022216 its reverse (6122200012), we get a palindrome (8222222228).

The spelling of 2100022216 in words is "two billion, one hundred million, twenty-two thousand, two hundred sixteen".