2216598696 has 80 divisors (see below), whose sum is σ = 6686133300. Its totient is φ = 682027776.

The previous prime is 2216598689. The next prime is 2216598719. The reversal of 2216598696 is 6968956122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2068976196 + 147622500 = 45486^2 + 12150^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 123141 + ... + 139988.

Almost surely, 2^2216598696 is an apocalyptic number.

2216598696 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2216598696 is an abundant number, since it is smaller than the sum of its proper divisors (4469534604).

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

2216598696 is a wasteful number, since it uses less digits than its factorization.

2216598696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263160 (or 263147 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 2216598696 is about 47080.7677932295. The cubic root of 2216598696 is about 1303.8541825105.

The spelling of 2216598696 in words is "two billion, two hundred sixteen million, five hundred ninety-eight thousand, six hundred ninety-six".