2216465304 has 64 divisors (see below), whose sum is σ = 5887455840. Its totient is φ = 692951040.

The previous prime is 2216465299. The next prime is 2216465351. The reversal of 2216465304 is 4035646122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110274 + ... + 128814.

Almost surely, 2^2216465304 is an apocalyptic number.

2216465304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2216465304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2943727920).

2216465304 is an abundant number, since it is smaller than the sum of its proper divisors (3670990536).

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

2216465304 is a wasteful number, since it uses less digits than its factorization.

2216465304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18860 (or 18856 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 2216465304 is about 47079.3511425126. The cubic root of 2216465304 is about 1303.8280272414.

The spelling of 2216465304 in words is "two billion, two hundred sixteen million, four hundred sixty-five thousand, three hundred four".