222188833 has 2 divisors, whose sum is σ = 222188834. Its totient is φ = 222188832.

The previous prime is 222188821. The next prime is 222188851. The reversal of 222188833 is 338881222.

222188833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117679104 + 104509729 = 10848^2 + 10223^2 .

It is a cyclic number.

It is not a de Polignac number, because 222188833 - 2¹⁷ = 222057761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222188792 and 222188801.

It is not a weakly prime, because it can be changed into another prime (222188803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111094416 + 111094417.

It is an arithmetic number, because the mean of its divisors is an integer number (111094417).

Almost surely, 2^222188833 is an apocalyptic number.

It is an amenable number.

222188833 is a deficient number, since it is larger than the sum of its proper divisors (1).

222188833 is an equidigital number, since it uses as much as digits as its factorization.

222188833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 37.

The square root of 222188833 is about 14905.9998993694. Note that the first 3 decimals coincide. The cubic root of 222188833 is about 605.6765266363.

The spelling of 222188833 in words is "two hundred twenty-two million, one hundred eighty-eight thousand, eight hundred thirty-three".