1222204741 has 2 divisors, whose sum is σ = 1222204742. Its totient is φ = 1222204740.

The previous prime is 1222204733. The next prime is 1222204759. The reversal of 1222204741 is 1474022221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 976812516 + 245392225 = 31254^2 + 15665^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222204741 - 2³ = 1222204733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222204771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611102370 + 611102371.

It is an arithmetic number, because the mean of its divisors is an integer number (611102371).

Almost surely, 2^1222204741 is an apocalyptic number.

It is an amenable number.

1222204741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222204741 is an equidigital number, since it uses as much as digits as its factorization.

1222204741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 1222204741 is about 34960.0449227400. The cubic root of 1222204741 is about 1069.1730125543.

Adding to 1222204741 its reverse (1474022221), we get a palindrome (2696226962).

The spelling of 1222204741 in words is "one billion, two hundred twenty-two million, two hundred four thousand, seven hundred forty-one".