1222354019 has 2 divisors, whose sum is σ = 1222354020. Its totient is φ = 1222354018.

The previous prime is 1222353959. The next prime is 1222354027. The reversal of 1222354019 is 9104532221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222354019 - 2¹² = 1222349923 is a prime.

It is a super-2 number, since 2×1222354019² = 2988298695530904722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222353982 and 1222354000.

It is not a weakly prime, because it can be changed into another prime (1222354039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611177009 + 611177010.

It is an arithmetic number, because the mean of its divisors is an integer number (611177010).

Almost surely, 2^1222354019 is an apocalyptic number.

1222354019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222354019 is an equidigital number, since it uses as much as digits as its factorization.

1222354019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1222354019 is about 34962.1798376474. The cubic root of 1222354019 is about 1069.2165397709.

The spelling of 1222354019 in words is "one billion, two hundred twenty-two million, three hundred fifty-four thousand, nineteen".