2215520132 has 48 divisors (see below), whose sum is σ = 4542354432. Its totient is φ = 925737120.

The previous prime is 2215520123. The next prime is 2215520233. The reversal of 2215520132 is 2310255122.

It is a junction number, because it is equal to n+sod(n) for n = 2215520098 and 2215520107.

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, 830633 + ... + 833295.

It is an arithmetic number, because the mean of its divisors is an integer number (94632384).

Almost surely, 2^2215520132 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 2215520132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2271177216).

2215520132 is an abundant number, since it is smaller than the sum of its proper divisors (2326834300).

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

2215520132 is a wasteful number, since it uses less digits than its factorization.

2215520132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408 (or 3406 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2215520132 is about 47069.3119983711. The cubic root of 2215520132 is about 1303.6426695079.

Adding to 2215520132 its reverse (2310255122), we get a palindrome (4525775254).

The spelling of 2215520132 in words is "two billion, two hundred fifteen million, five hundred twenty thousand, one hundred thirty-two".