222850879 has 2 divisors, whose sum is σ = 222850880. Its totient is φ = 222850878.

The previous prime is 222850843. The next prime is 222850919. The reversal of 222850879 is 978058222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222850879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222890879) 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, 111425439 + 111425440.

It is an arithmetic number, because the mean of its divisors is an integer number (111425440).

Almost surely, 2^222850879 is an apocalyptic number.

222850879 is a deficient number, since it is larger than the sum of its proper divisors (1).

222850879 is an equidigital number, since it uses as much as digits as its factorization.

222850879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 222850879 is about 14928.1907477095. The cubic root of 222850879 is about 606.2774991034.

It can be divided in two parts, 222850 and 879, that added together give a square (223729 = 473²).

The spelling of 222850879 in words is "two hundred twenty-two million, eight hundred fifty thousand, eight hundred seventy-nine".