2229615728 has 20 divisors (see below), whose sum is σ = 4459232448. Its totient is φ = 1078846080.

The previous prime is 2229615719. The next prime is 2229615737. The reversal of 2229615728 is 8275169222.

It is an interprime number because it is at equal distance from previous prime (2229615719) and next prime (2229615737).

2229615728 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2247101 + ... + 2248092.

Almost surely, 2^2229615728 is an apocalyptic number.

It is an amenable number.

2229615728 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2229615728 is a wasteful number, since it uses less digits than its factorization.

2229615728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4495232 (or 4495226 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 2229615728 is about 47218.8069311371. The cubic root of 2229615728 is about 1306.4015081606.

The spelling of 2229615728 in words is "two billion, two hundred twenty-nine million, six hundred fifteen thousand, seven hundred twenty-eight".