2235530978 has 18 divisors (see below), whose sum is σ = 3410928171. Its totient is φ = 1098875844.

The previous prime is 2235530963. The next prime is 2235531029. The reversal of 2235530978 is 8790355322.

It can be written as a sum of positive squares in only one way, i.e., 1117765489 + 1117765489 = 33433^2 + 33433^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=33433.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4479773 + ... + 4480271.

Almost surely, 2^2235530978 is an apocalyptic number.

2235530978 is a deficient number, since it is larger than the sum of its proper divisors (1175397193).

2235530978 is an frugal number, since it uses more digits than its factorization.

2235530978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 44.

The square root of 2235530978 is about 47281.4020308197. The cubic root of 2235530978 is about 1307.5557978935. Note that the first 3 decimals are identical.

The spelling of 2235530978 in words is "two billion, two hundred thirty-five million, five hundred thirty thousand, nine hundred seventy-eight".