222012029 has 2 divisors, whose sum is σ = 222012030. Its totient is φ = 222012028.

The previous prime is 222012019. The next prime is 222012047. The reversal of 222012029 is 920210222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214183225 + 7828804 = 14635^2 + 2798^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222012029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222012029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222012019) 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, 111006014 + 111006015.

It is an arithmetic number, because the mean of its divisors is an integer number (111006015).

Almost surely, 2^222012029 is an apocalyptic number.

It is an amenable number.

222012029 is a deficient number, since it is larger than the sum of its proper divisors (1).

222012029 is an equidigital number, since it uses as much as digits as its factorization.

222012029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 222012029 is about 14900.0680870928. The cubic root of 222012029 is about 605.5158308175.

The spelling of 222012029 in words is "two hundred twenty-two million, twelve thousand, twenty-nine".