1222000331 has 2 divisors, whose sum is σ = 1222000332. Its totient is φ = 1222000330.

The previous prime is 1222000319. The next prime is 1222000379. The reversal of 1222000331 is 1330002221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222000331 - 2²² = 1217806027 is a prime.

It is a super-2 number, since 2×1222000331² = 2986569617928219122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1222000391) 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, 611000165 + 611000166.

It is an arithmetic number, because the mean of its divisors is an integer number (611000166).

Almost surely, 2^1222000331 is an apocalyptic number.

1222000331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222000331 is an equidigital number, since it uses as much as digits as its factorization.

1222000331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1222000331 is about 34957.1213202689. The cubic root of 1222000331 is about 1069.1134039270.

Adding to 1222000331 its reverse (1330002221), we get a palindrome (2552002552).

The spelling of 1222000331 in words is "one billion, two hundred twenty-two million, three hundred thirty-one", and thus it is an aban number.