2216111064 has 32 divisors (see below), whose sum is σ = 5541877440. Its totient is φ = 738490400.

The previous prime is 2216111063. The next prime is 2216111083. The reversal of 2216111064 is 4601116122.

It is a happy number.

It is a super-2 number, since 2×2216111064² = 9822296495966424192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216111063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86899 + ... + 109469.

It is an arithmetic number, because the mean of its divisors is an integer number (173183670).

Almost surely, 2^2216111064 is an apocalyptic number.

2216111064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2216111064 is an abundant number, since it is smaller than the sum of its proper divisors (3325766376).

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

2216111064 is a wasteful number, since it uses less digits than its factorization.

2216111064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26671 (or 26667 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2216111064 is about 47075.5888332796. The cubic root of 2216111064 is about 1303.7585633902.

Adding to 2216111064 its reverse (4601116122), we get a palindrome (6817227186).

The spelling of 2216111064 in words is "two billion, two hundred sixteen million, one hundred eleven thousand, sixty-four".