1220610019 has 2 divisors, whose sum is σ = 1220610020. Its totient is φ = 1220610018.

The previous prime is 1220609993. The next prime is 1220610043. The reversal of 1220610019 is 9100160221.

It is a strong prime.

It is an emirp because it is prime and its reverse (9100160221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1220610019 - 2²⁵ = 1187055587 is a prime.

It is a super-2 number, since 2×1220610019² = 2979777636966360722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1220610619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610305009 + 610305010.

It is an arithmetic number, because the mean of its divisors is an integer number (610305010).

Almost surely, 2^1220610019 is an apocalyptic number.

1220610019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220610019 is an equidigital number, since it uses as much as digits as its factorization.

1220610019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1220610019 is about 34937.2296984177. The cubic root of 1220610019 is about 1068.7077943093.

The spelling of 1220610019 in words is "one billion, two hundred twenty million, six hundred ten thousand, nineteen".