1168222331 has 2 divisors, whose sum is σ = 1168222332. Its totient is φ = 1168222330.

The previous prime is 1168222301. The next prime is 1168222369. The reversal of 1168222331 is 1332228611.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1168222331 - 2²⁶ = 1101113467 is a prime.

It is a super-2 number, since 2×1168222331² = 2729486829294147122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1168222294 and 1168222303.

It is not a weakly prime, because it can be changed into another prime (1168222301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 584111165 + 584111166.

It is an arithmetic number, because the mean of its divisors is an integer number (584111166).

Almost surely, 2^1168222331 is an apocalyptic number.

1168222331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1168222331 is an equidigital number, since it uses as much as digits as its factorization.

1168222331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 1168222331 is about 34179.2675609060. The cubic root of 1168222331 is about 1053.1943029950.

The spelling of 1168222331 in words is "one billion, one hundred sixty-eight million, two hundred twenty-two thousand, three hundred thirty-one".