223061669 has 2 divisors, whose sum is σ = 223061670. Its totient is φ = 223061668.

The previous prime is 223061651. The next prime is 223061681. The reversal of 223061669 is 966160322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146289025 + 76772644 = 12095^2 + 8762^2 .

It is a cyclic number.

It is not a de Polignac number, because 223061669 - 2¹² = 223057573 is a prime.

It is a super-2 number, since 2×223061669² = 99513016354131122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223061639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111530834 + 111530835.

It is an arithmetic number, because the mean of its divisors is an integer number (111530835).

Almost surely, 2^223061669 is an apocalyptic number.

It is an amenable number.

223061669 is a deficient number, since it is larger than the sum of its proper divisors (1).

223061669 is an equidigital number, since it uses as much as digits as its factorization.

223061669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 223061669 is about 14935.2492111782. The cubic root of 223061669 is about 606.4685939470.

The spelling of 223061669 in words is "two hundred twenty-three million, sixty-one thousand, six hundred sixty-nine".