223052281 has 2 divisors, whose sum is σ = 223052282. Its totient is φ = 223052280.

The previous prime is 223052239. The next prime is 223052293. The reversal of 223052281 is 182250322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112466025 + 110586256 = 10605^2 + 10516^2 .

It is a cyclic number.

It is not a de Polignac number, because 223052281 - 2¹³ = 223044089 is a prime.

It is a super-2 number, since 2×223052281² = 99504640118605922, which contains 22 as substring.

It is equal to p_12281425 and since 223052281 and 12281425 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (223052201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111526140 + 111526141.

It is an arithmetic number, because the mean of its divisors is an integer number (111526141).

Almost surely, 2^223052281 is an apocalyptic number.

It is an amenable number.

223052281 is a deficient number, since it is larger than the sum of its proper divisors (1).

223052281 is an equidigital number, since it uses as much as digits as its factorization.

223052281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 223052281 is about 14934.9349178361. The cubic root of 223052281 is about 606.4600856765.

The spelling of 223052281 in words is "two hundred twenty-three million, fifty-two thousand, two hundred eighty-one".