2215153296 has 120 divisors (see below), whose sum is σ = 6404866104. Its totient is φ = 714147840.

The previous prime is 2215153231. The next prime is 2215153309. The reversal of 2215153296 is 6923515122.

It is a happy number.

2215153296 is a `hidden beast` number, since 2 + 21 + 515 + 32 + 96 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 152176896 + 2062976400 = 12336^2 + 45420^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2215153296.

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, 963220 + ... + 965516.

Almost surely, 2^2215153296 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 2215153296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3202433052).

2215153296 is an abundant number, since it is smaller than the sum of its proper divisors (4189712808).

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

2215153296 is a wasteful number, since it uses less digits than its factorization.

2215153296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2529 (or 2520 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 2215153296 is about 47065.4150730661. The cubic root of 2215153296 is about 1303.5707150788.

The spelling of 2215153296 in words is "two billion, two hundred fifteen million, one hundred fifty-three thousand, two hundred ninety-six".