222880643 has 2 divisors, whose sum is σ = 222880644. Its totient is φ = 222880642.

The previous prime is 222880613. The next prime is 222880657. The reversal of 222880643 is 346088222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222880643 - 2⁶ = 222880579 is a prime.

It is not a weakly prime, because it can be changed into another prime (222880613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111440321 + 111440322.

It is an arithmetic number, because the mean of its divisors is an integer number (111440322).

Almost surely, 2^222880643 is an apocalyptic number.

222880643 is a deficient number, since it is larger than the sum of its proper divisors (1).

222880643 is an equidigital number, since it uses as much as digits as its factorization.

222880643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 222880643 is about 14929.1876202290. The cubic root of 222880643 is about 606.3044894092.

The spelling of 222880643 in words is "two hundred twenty-two million, eight hundred eighty thousand, six hundred forty-three".