2215296 has 64 divisors (see below), whose sum is σ = 6548400. Its totient is φ = 737280.

The previous prime is 2215277. The next prime is 2215303. The reversal of 2215296 is 6925122.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3136 + ... + 3776.

2^2215296 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 2215296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3274200).

2215296 is an abundant number, since it is smaller than the sum of its proper divisors (4333104).

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

2215296 is an equidigital number, since it uses as much as digits as its factorization.

2215296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 646 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 2215296 is about 1488.3870464365. The cubic root of 2215296 is about 130.3598707236.

The spelling of 2215296 in words is "two million, two hundred fifteen thousand, two hundred ninety-six".