1222193057 has 2 divisors, whose sum is σ = 1222193058. Its totient is φ = 1222193056.

The previous prime is 1222193041. The next prime is 1222193099. The reversal of 1222193057 is 7503912221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1219127056 + 3066001 = 34916^2 + 1751^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222193057 - 2⁴ = 1222193041 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222193857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611096528 + 611096529.

It is an arithmetic number, because the mean of its divisors is an integer number (611096529).

Almost surely, 2^1222193057 is an apocalyptic number.

It is an amenable number.

1222193057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222193057 is an equidigital number, since it uses as much as digits as its factorization.

1222193057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 1222193057 is about 34959.8778172922. The cubic root of 1222193057 is about 1069.1696055263.

The spelling of 1222193057 in words is "one billion, two hundred twenty-two million, one hundred ninety-three thousand, fifty-seven".