28114253224 has 16 divisors (see below), whose sum is σ = 53708833620. Its totient is φ = 13791897600.

The previous prime is 28114253191. The next prime is 28114253239. The reversal of 28114253224 is 42235241182.

It can be written as a sum of positive squares in 2 ways, for example, as 27254708100 + 859545124 = 165090^2 + 29318^2 .

It is a super-2 number, since 2×28114253224² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28114253224.

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, 33153177 + ... + 33154024.

Almost surely, 2^28114253224 is an apocalyptic number.

It is an amenable number.

28114253224 is a deficient number, since it is larger than the sum of its proper divisors (25594580396).

28114253224 is a wasteful number, since it uses less digits than its factorization.

28114253224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66307260 (or 66307256 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The spelling of 28114253224 in words is "twenty-eight billion, one hundred fourteen million, two hundred fifty-three thousand, two hundred twenty-four".