2216546664 has 32 divisors (see below), whose sum is σ = 5547709440. Its totient is φ = 738003200.

The previous prime is 2216546663. The next prime is 2216546723. The reversal of 2216546664 is 4666456122.

It is a super-2 number, since 2×2216546664² = 9826158227379057792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2216546663) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 31272 + ... + 73559.

It is an arithmetic number, because the mean of its divisors is an integer number (173365920).

Almost surely, 2^2216546664 is an apocalyptic number.

2216546664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2216546664 is an abundant number, since it is smaller than the sum of its proper divisors (3331162776).

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

2216546664 is a wasteful number, since it uses less digits than its factorization.

2216546664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105721 (or 105717 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The square root of 2216546664 is about 47080.2152076645. The cubic root of 2216546664 is about 1303.8439802921.

The spelling of 2216546664 in words is "two billion, two hundred sixteen million, five hundred forty-six thousand, six hundred sixty-four".