2215351296 has 264 divisors, whose sum is σ = 6884797920. Its totient is φ = 710664192.

The previous prime is 2215351279. The next prime is 2215351309. The reversal of 2215351296 is 6921535122.

It is a happy number.

2215351296 is a `hidden beast` number, since 2 + 2 + 1 + 53 + 512 + 96 = 666.

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 2215351296.

It is a congruent number.

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, 7215975 + ... + 7216281.

It is an arithmetic number, because the mean of its divisors is an integer number (26078780).

Almost surely, 2^2215351296 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 2215351296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3442398960).

2215351296 is an abundant number, since it is smaller than the sum of its proper divisors (4669446624).

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

2215351296 is an equidigital number, since it uses as much as digits as its factorization.

2215351296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 341 counting only the distinct ones).

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

The square root of 2215351296 is about 47067.5184814326. The cubic root of 2215351296 is about 1303.6095535213.

The spelling of 2215351296 in words is "two billion, two hundred fifteen million, three hundred fifty-one thousand, two hundred ninety-six".