222269321 has 2 divisors, whose sum is σ = 222269322. Its totient is φ = 222269320.

The previous prime is 222269303. The next prime is 222269347. The reversal of 222269321 is 123962222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207676921 + 14592400 = 14411^2 + 3820^2 .

It is a cyclic number.

It is not a de Polignac number, because 222269321 - 2²⁶ = 155160457 is a prime.

It is not a weakly prime, because it can be changed into another prime (222269371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111134660 + 111134661.

It is an arithmetic number, because the mean of its divisors is an integer number (111134661).

Almost surely, 2^222269321 is an apocalyptic number.

It is an amenable number.

222269321 is a deficient number, since it is larger than the sum of its proper divisors (1).

222269321 is an equidigital number, since it uses as much as digits as its factorization.

222269321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

The square root of 222269321 is about 14908.6995073346. The cubic root of 222269321 is about 605.7496533341.

The spelling of 222269321 in words is "two hundred twenty-two million, two hundred sixty-nine thousand, three hundred twenty-one".