1222851283 has 2 divisors, whose sum is σ = 1222851284. Its totient is φ = 1222851282.

The previous prime is 1222851277. The next prime is 1222851317. The reversal of 1222851283 is 3821582221.

It is an a-pointer prime, because the next prime (1222851317) can be obtained adding 1222851283 to its sum of digits (34).

It is a weak prime.

It is an emirp because it is prime and its reverse (3821582221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222851283 - 2⁹ = 1222850771 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222851233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611425641 + 611425642.

It is an arithmetic number, because the mean of its divisors is an integer number (611425642).

Almost surely, 2^1222851283 is an apocalyptic number.

1222851283 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222851283 is an equidigital number, since it uses as much as digits as its factorization.

1222851283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360, while the sum is 34.

The square root of 1222851283 is about 34969.2905704419. The cubic root of 1222851283 is about 1069.3615089052.

The spelling of 1222851283 in words is "one billion, two hundred twenty-two million, eight hundred fifty-one thousand, two hundred eighty-three".