67223669 has 2 divisors, whose sum is σ = 67223670. Its totient is φ = 67223668.

The previous prime is 67223633. The next prime is 67223699. The reversal of 67223669 is 96632276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65691025 + 1532644 = 8105^2 + 1238^2 .

It is a cyclic number.

It is not a de Polignac number, because 67223669 - 2²⁰ = 66175093 is a prime.

It is a super-2 number, since 2×67223669² = 9038043347643122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67223699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33611834 + 33611835.

It is an arithmetic number, because the mean of its divisors is an integer number (33611835).

Almost surely, 2^67223669 is an apocalyptic number.

It is an amenable number.

67223669 is a deficient number, since it is larger than the sum of its proper divisors (1).

67223669 is an equidigital number, since it uses as much as digits as its factorization.

67223669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 41.

The square root of 67223669 is about 8199.0041468461. The cubic root of 67223669 is about 406.6062694352.

The spelling of 67223669 in words is "sixty-seven million, two hundred twenty-three thousand, six hundred sixty-nine".