222858479 has 2 divisors, whose sum is σ = 222858480. Its totient is φ = 222858478.

The previous prime is 222858439. The next prime is 222858497. The reversal of 222858479 is 974858222.

Together with next prime (222858497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222858479 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222858409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111429239 + 111429240.

It is an arithmetic number, because the mean of its divisors is an integer number (111429240).

Almost surely, 2^222858479 is an apocalyptic number.

222858479 is a deficient number, since it is larger than the sum of its proper divisors (1).

222858479 is an equidigital number, since it uses as much as digits as its factorization.

222858479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 47.

The square root of 222858479 is about 14928.4452974849. The cubic root of 222858479 is about 606.2843910912.

The spelling of 222858479 in words is "two hundred twenty-two million, eight hundred fifty-eight thousand, four hundred seventy-nine".