222773329 has 2 divisors, whose sum is σ = 222773330. Its totient is φ = 222773328.

The previous prime is 222773323. The next prime is 222773339. The reversal of 222773329 is 923377222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113529025 + 109244304 = 10655^2 + 10452^2 .

It is a cyclic number.

It is not a de Polignac number, because 222773329 - 2⁹ = 222772817 is a prime.

It is a super-2 number, since 2×222773329² = 99255912227484482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222773323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111386664 + 111386665.

It is an arithmetic number, because the mean of its divisors is an integer number (111386665).

Almost surely, 2^222773329 is an apocalyptic number.

It is an amenable number.

222773329 is a deficient number, since it is larger than the sum of its proper divisors (1).

222773329 is an equidigital number, since it uses as much as digits as its factorization.

222773329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 37.

The square root of 222773329 is about 14925.5930870435. The cubic root of 222773329 is about 606.2071646640.

The spelling of 222773329 in words is "two hundred twenty-two million, seven hundred seventy-three thousand, three hundred twenty-nine".