223914281 has 2 divisors, whose sum is σ = 223914282. Its totient is φ = 223914280.

The previous prime is 223914277. The next prime is 223914289. The reversal of 223914281 is 182419322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119159056 + 104755225 = 10916^2 + 10235^2 .

It is a cyclic number.

It is not a de Polignac number, because 223914281 - 2² = 223914277 is a prime.

It is a super-2 number, since 2×223914281² = 100275210471493922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (223914289) 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, 111957140 + 111957141.

It is an arithmetic number, because the mean of its divisors is an integer number (111957141).

Almost surely, 2^223914281 is an apocalyptic number.

It is an amenable number.

223914281 is a deficient number, since it is larger than the sum of its proper divisors (1).

223914281 is an equidigital number, since it uses as much as digits as its factorization.

223914281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 32.

The square root of 223914281 is about 14963.7656022807. The cubic root of 223914281 is about 607.2403162264.

The spelling of 223914281 in words is "two hundred twenty-three million, nine hundred fourteen thousand, two hundred eighty-one".