220263361 has 2 divisors, whose sum is σ = 220263362. Its totient is φ = 220263360.

The previous prime is 220263359. The next prime is 220263391. The reversal of 220263361 is 163362022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214769025 + 5494336 = 14655^2 + 2344^2 .

It is a cyclic number.

It is not a de Polignac number, because 220263361 - 2¹ = 220263359 is a prime.

Together with 220263359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (220263311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110131680 + 110131681.

It is an arithmetic number, because the mean of its divisors is an integer number (110131681).

Almost surely, 2^220263361 is an apocalyptic number.

It is an amenable number.

220263361 is a deficient number, since it is larger than the sum of its proper divisors (1).

220263361 is an equidigital number, since it uses as much as digits as its factorization.

220263361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 220263361 is about 14841.2722163567. The cubic root of 220263361 is about 603.9218655781.

The spelling of 220263361 in words is "two hundred twenty million, two hundred sixty-three thousand, three hundred sixty-one".