2236081 has 2 divisors, whose sum is σ = 2236082. Its totient is φ = 2236080.

The previous prime is 2236079. The next prime is 2236097. The reversal of 2236081 is 1806322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1461681 + 774400 = 1209^2 + 880^2 .

It is a cyclic number.

It is not a de Polignac number, because 2236081 - 2¹ = 2236079 is a prime.

It is a super-2 number, since 2×2236081² = 10000116477122, which contains 22 as substring.

Together with 2236079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2236001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1118040 + 1118041.

It is an arithmetic number, because the mean of its divisors is an integer number (1118041).

2^2236081 is an apocalyptic number.

It is an amenable number.

2236081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2236081 is an equidigital number, since it uses as much as digits as its factorization.

2236081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2236081 is about 1495.3531355503. The cubic root of 2236081 is about 130.7663024542.

The spelling of 2236081 in words is "two million, two hundred thirty-six thousand, eighty-one".