2215073312 has 12 divisors (see below), whose sum is σ = 4360925646. Its totient is φ = 1107536640.

The previous prime is 2215073309. The next prime is 2215073317. The reversal of 2215073312 is 2133705122.

It can be written as a sum of positive squares in only one way, i.e., 2083374736 + 131698576 = 45644^2 + 11476^2 .

It is not an unprimeable number, because it can be changed into a prime (2215073317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34610489 + ... + 34610552.

Almost surely, 2^2215073312 is an apocalyptic number.

It is an amenable number.

2215073312 is a deficient number, since it is larger than the sum of its proper divisors (2145852334).

2215073312 is an equidigital number, since it uses as much as digits as its factorization.

2215073312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69221051 (or 69221043 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 2215073312 is about 47064.5653544150. The cubic root of 2215073312 is about 1303.5550252609. Note that the first 3 decimals are identical.

Adding to 2215073312 its reverse (2133705122), we get a palindrome (4348778434).

The spelling of 2215073312 in words is "two billion, two hundred fifteen million, seventy-three thousand, three hundred twelve".