2215252332 has 72 divisors (see below), whose sum is σ = 5991126960. Its totient is φ = 688072320.

The previous prime is 2215252297. The next prime is 2215252357. The reversal of 2215252332 is 2332525122.

It is a junction number, because it is equal to n+sod(n) for n = 2215252296 and 2215252305.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15178 + ... + 68270.

Almost surely, 2^2215252332 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 2215252332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2995563480).

2215252332 is an abundant number, since it is smaller than the sum of its proper divisors (3775874628).

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

2215252332 is a wasteful number, since it uses less digits than its factorization.

2215252332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53183 (or 53178 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 2215252332 is about 47066.4671714375. The cubic root of 2215252332 is about 1303.5901416508.

Adding to 2215252332 its reverse (2332525122), we get a palindrome (4547777454).

The spelling of 2215252332 in words is "two billion, two hundred fifteen million, two hundred fifty-two thousand, three hundred thirty-two".