222022081 has 2 divisors, whose sum is σ = 222022082. Its totient is φ = 222022080.

The previous prime is 222022037. The next prime is 222022103. The reversal of 222022081 is 180220222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113529025 + 108493056 = 10655^2 + 10416^2 .

It is a cyclic number.

It is not a de Polignac number, because 222022081 - 2⁷ = 222021953 is a prime.

It is a super-2 number, since 2×222022081² = 98587608903141122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222022001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111011040 + 111011041.

It is an arithmetic number, because the mean of its divisors is an integer number (111011041).

Almost surely, 2^222022081 is an apocalyptic number.

It is an amenable number.

222022081 is a deficient number, since it is larger than the sum of its proper divisors (1).

222022081 is an equidigital number, since it uses as much as digits as its factorization.

222022081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 222022081 is about 14900.4053971696. The cubic root of 222022081 is about 605.5249692912.

The spelling of 222022081 in words is "two hundred twenty-two million, twenty-two thousand, eighty-one".