1222631419 has 2 divisors, whose sum is σ = 1222631420. Its totient is φ = 1222631418.

The previous prime is 1222631407. The next prime is 1222631461. The reversal of 1222631419 is 9141362221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222631419 - 2¹⁵ = 1222598651 is a prime.

It is a super-2 number, since 2×1222631419² = 2989655173451907122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1222631489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611315709 + 611315710.

It is an arithmetic number, because the mean of its divisors is an integer number (611315710).

Almost surely, 2^1222631419 is an apocalyptic number.

1222631419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222631419 is an equidigital number, since it uses as much as digits as its factorization.

1222631419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 31.

The square root of 1222631419 is about 34966.1467565415. The cubic root of 1222631419 is about 1069.2974160226.

The spelling of 1222631419 in words is "one billion, two hundred twenty-two million, six hundred thirty-one thousand, four hundred nineteen".