1222554049 has 2 divisors, whose sum is σ = 1222554050. Its totient is φ = 1222554048.

The previous prime is 1222554043. The next prime is 1222554059. The reversal of 1222554049 is 9404552221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 742944049 + 479610000 = 27257^2 + 21900^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222554049 - 2¹⁹ = 1222029761 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222554043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611277024 + 611277025.

It is an arithmetic number, because the mean of its divisors is an integer number (611277025).

Almost surely, 2^1222554049 is an apocalyptic number.

It is an amenable number.

1222554049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222554049 is an equidigital number, since it uses as much as digits as its factorization.

1222554049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 1222554049 is about 34965.0403832171. The cubic root of 1222554049 is about 1069.2748599508.

The spelling of 1222554049 in words is "one billion, two hundred twenty-two million, five hundred fifty-four thousand, forty-nine".