1222575001 has 2 divisors, whose sum is σ = 1222575002. Its totient is φ = 1222575000.

The previous prime is 1222574987. The next prime is 1222575017. The reversal of 1222575001 is 1005752221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 943718400 + 278856601 = 30720^2 + 16699^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222575001 - 2²⁷ = 1088357273 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222575041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611287500 + 611287501.

It is an arithmetic number, because the mean of its divisors is an integer number (611287501).

Almost surely, 2^1222575001 is an apocalyptic number.

It is an amenable number.

1222575001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222575001 is an equidigital number, since it uses as much as digits as its factorization.

1222575001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 1222575001 is about 34965.3399954870. The cubic root of 1222575001 is about 1069.2809682885.

The spelling of 1222575001 in words is "one billion, two hundred twenty-two million, five hundred seventy-five thousand, one".