1222444039 has 2 divisors, whose sum is σ = 1222444040. Its totient is φ = 1222444038.

The previous prime is 1222443967. The next prime is 1222444063. The reversal of 1222444039 is 9304442221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222444039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222444039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222444339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611222019 + 611222020.

It is an arithmetic number, because the mean of its divisors is an integer number (611222020).

Almost surely, 2^1222444039 is an apocalyptic number.

1222444039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222444039 is an equidigital number, since it uses as much as digits as its factorization.

1222444039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 1222444039 is about 34963.4672050699. The cubic root of 1222444039 is about 1069.2427865343.

The spelling of 1222444039 in words is "one billion, two hundred twenty-two million, four hundred forty-four thousand, thirty-nine".