2235970081 has 2 divisors, whose sum is σ = 2235970082. Its totient is φ = 2235970080.

The previous prime is 2235970063. The next prime is 2235970091. The reversal of 2235970081 is 1800795322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1263091600 + 972878481 = 35540^2 + 31191^2 .

It is a cyclic number.

It is not a de Polignac number, because 2235970081 - 2⁵ = 2235970049 is a prime.

It is a super-2 number, since 2×2235970081² = 9999124406254293122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2235970081.

It is not a weakly prime, because it can be changed into another prime (2235970031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1117985040 + 1117985041.

It is an arithmetic number, because the mean of its divisors is an integer number (1117985041).

Almost surely, 2^2235970081 is an apocalyptic number.

It is an amenable number.

2235970081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2235970081 is an equidigital number, since it uses as much as digits as its factorization.

2235970081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 2235970081 is about 47286.0453093722. The cubic root of 2235970081 is about 1307.6414023265.

The spelling of 2235970081 in words is "two billion, two hundred thirty-five million, nine hundred seventy thousand, eighty-one".