222748459 has 2 divisors, whose sum is σ = 222748460. Its totient is φ = 222748458.

The previous prime is 222748439. The next prime is 222748469. The reversal of 222748459 is 954847222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222748459 - 2¹¹ = 222746411 is a prime.

It is not a weakly prime, because it can be changed into another prime (222748429) 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, 111374229 + 111374230.

It is an arithmetic number, because the mean of its divisors is an integer number (111374230).

Almost surely, 2^222748459 is an apocalyptic number.

222748459 is a deficient number, since it is larger than the sum of its proper divisors (1).

222748459 is an equidigital number, since it uses as much as digits as its factorization.

222748459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 43.

The square root of 222748459 is about 14924.7599310676. The cubic root of 222748459 is about 606.1846052111.

The spelling of 222748459 in words is "two hundred twenty-two million, seven hundred forty-eight thousand, four hundred fifty-nine".