1222332071 has 2 divisors, whose sum is σ = 1222332072. Its totient is φ = 1222332070.

The previous prime is 1222332047. The next prime is 1222332101. The reversal of 1222332071 is 1702332221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222332071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222332031) 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, 611166035 + 611166036.

It is an arithmetic number, because the mean of its divisors is an integer number (611166036).

Almost surely, 2^1222332071 is an apocalyptic number.

1222332071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222332071 is an equidigital number, since it uses as much as digits as its factorization.

1222332071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1222332071 is about 34961.8659542079. The cubic root of 1222332071 is about 1069.2101402868.

Adding to 1222332071 its reverse (1702332221), we get a palindrome (2924664292).

The spelling of 1222332071 in words is "one billion, two hundred twenty-two million, three hundred thirty-two thousand, seventy-one".