1222046519 has 2 divisors, whose sum is σ = 1222046520. Its totient is φ = 1222046518.

The previous prime is 1222046453. The next prime is 1222046521. The reversal of 1222046519 is 9156402221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222046519 - 2²⁸ = 953611063 is a prime.

It is a super-2 number, since 2×1222046519² = 2986795389200034722, which contains 22 as substring.

Together with 1222046521, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222046549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611023259 + 611023260.

It is an arithmetic number, because the mean of its divisors is an integer number (611023260).

Almost surely, 2^1222046519 is an apocalyptic number.

1222046519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222046519 is an equidigital number, since it uses as much as digits as its factorization.

1222046519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1222046519 is about 34957.7819519488. The cubic root of 1222046519 is about 1069.1268735327.

The spelling of 1222046519 in words is "one billion, two hundred twenty-two million, forty-six thousand, five hundred nineteen".