269221 has 2 divisors, whose sum is σ = 269222. Its totient is φ = 269220.

The previous prime is 269219. The next prime is 269231. The reversal of 269221 is 122962.

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., 261121 + 8100 = 511^2 + 90^2 .

It is a cyclic number.

It is not a de Polignac number, because 269221 - 2¹ = 269219 is a prime.

Together with 269219, it forms a pair of twin primes.

It is equal to p₂₃₅₈₄ and since 269221 and 23584 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 269192 and 269201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (269201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134610 + 134611.

It is an arithmetic number, because the mean of its divisors is an integer number (134611).

2²⁶⁹²²¹ is an apocalyptic number.

It is an amenable number.

269221 is a deficient number, since it is larger than the sum of its proper divisors (1).

269221 is an equidigital number, since it uses as much as digits as its factorization.

269221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 22.

The square root of 269221 is about 518.8651077111. The cubic root of 269221 is about 64.5708213940.

The spelling of 269221 in words is "two hundred sixty-nine thousand, two hundred twenty-one".