2236500881 has 2 divisors, whose sum is σ = 2236500882. Its totient is φ = 2236500880.

The previous prime is 2236500809. The next prime is 2236500883. The reversal of 2236500881 is 1880056322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2205241600 + 31259281 = 46960^2 + 5591^2 .

It is a cyclic number.

It is not a de Polignac number, because 2236500881 - 2¹⁸ = 2236238737 is a prime.

It is a super-2 number, since 2×2236500881² = 10003872381427552322, which contains 22 as substring.

Together with 2236500883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2236500883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1118250440 + 1118250441.

It is an arithmetic number, because the mean of its divisors is an integer number (1118250441).

Almost surely, 2^2236500881 is an apocalyptic number.

It is an amenable number.

2236500881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2236500881 is an equidigital number, since it uses as much as digits as its factorization.

2236500881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 2236500881 is about 47291.6576258435. The cubic root of 2236500881 is about 1307.7448684008.

The spelling of 2236500881 in words is "two billion, two hundred thirty-six million, five hundred thousand, eight hundred eighty-one".