220590281 has 2 divisors, whose sum is σ = 220590282. Its totient is φ = 220590280.

The previous prime is 220590277. The next prime is 220590343. The reversal of 220590281 is 182095022.

220590281 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., 198359056 + 22231225 = 14084^2 + 4715^2 .

It is a cyclic number.

It is not a de Polignac number, because 220590281 - 2² = 220590277 is a prime.

It is a super-2 number, since 2×220590281² = 97320144143317922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (220590221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110295140 + 110295141.

It is an arithmetic number, because the mean of its divisors is an integer number (110295141).

Almost surely, 2^220590281 is an apocalyptic number.

It is an amenable number.

220590281 is a deficient number, since it is larger than the sum of its proper divisors (1).

220590281 is an equidigital number, since it uses as much as digits as its factorization.

220590281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 220590281 is about 14852.2820132126. The cubic root of 220590281 is about 604.2205028353.

The spelling of 220590281 in words is "two hundred twenty million, five hundred ninety thousand, two hundred eighty-one".