2220215312 has 80 divisors (see below), whose sum is σ = 5019381120. Its totient is φ = 931682304.

The previous prime is 2220215279. The next prime is 2220215359. The reversal of 2220215312 is 2135120222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2226398 + ... + 2227394.

It is an arithmetic number, because the mean of its divisors is an integer number (62742264).

Almost surely, 2^2220215312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220215312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2509690560).

2220215312 is an abundant number, since it is smaller than the sum of its proper divisors (2799165808).

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

2220215312 is a wasteful number, since it uses less digits than its factorization.

2220215312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408 (or 1402 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2220215312 is about 47119.1607735112. The cubic root of 2220215312 is about 1304.5629226769.

Adding to 2220215312 its reverse (2135120222), we get a palindrome (4355335534).

The spelling of 2220215312 in words is "two billion, two hundred twenty million, two hundred fifteen thousand, three hundred twelve".