1222100039 has 2 divisors, whose sum is σ = 1222100040. Its totient is φ = 1222100038.

The previous prime is 1222100017. The next prime is 1222100041. The reversal of 1222100039 is 9300012221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222100039 - 2¹² = 1222095943 is a prime.

Together with 1222100041, 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 (1222100839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611050019 + 611050020.

It is an arithmetic number, because the mean of its divisors is an integer number (611050020).

Almost surely, 2^1222100039 is an apocalyptic number.

1222100039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222100039 is an equidigital number, since it uses as much as digits as its factorization.

1222100039 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 20.

The square root of 1222100039 is about 34958.5474383590. The cubic root of 1222100039 is about 1069.1424809132.

The spelling of 1222100039 in words is "one billion, two hundred twenty-two million, one hundred thousand, thirty-nine".