2233109981 has 2 divisors, whose sum is σ = 2233109982. Its totient is φ = 2233109980.

The previous prime is 2233109969. The next prime is 2233110007. The reversal of 2233109981 is 1899013322.

2233109981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2231050756 + 2059225 = 47234^2 + 1435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2233109981 is a prime.

It is a super-2 number, since 2×2233109981² = 9973560374483640722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2233109911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116554990 + 1116554991.

It is an arithmetic number, because the mean of its divisors is an integer number (1116554991).

Almost surely, 2^2233109981 is an apocalyptic number.

It is an amenable number.

2233109981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2233109981 is an equidigital number, since it uses as much as digits as its factorization.

2233109981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 2233109981 is about 47255.7930946038. The cubic root of 2233109981 is about 1307.0836159493.

The spelling of 2233109981 in words is "two billion, two hundred thirty-three million, one hundred nine thousand, nine hundred eighty-one".