1222002241 has 2 divisors, whose sum is σ = 1222002242. Its totient is φ = 1222002240.

The previous prime is 1222002181. The next prime is 1222002247. The reversal of 1222002241 is 1422002221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 943779841 + 278222400 = 30721^2 + 16680^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222002241 - 2¹³ = 1221994049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222002247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611001120 + 611001121.

It is an arithmetic number, because the mean of its divisors is an integer number (611001121).

Almost surely, 2^1222002241 is an apocalyptic number.

It is an amenable number.

1222002241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222002241 is an equidigital number, since it uses as much as digits as its factorization.

1222002241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1222002241 is about 34957.1486394414. The cubic root of 1222002241 is about 1069.1139609387.

Adding to 1222002241 its reverse (1422002221), we get a palindrome (2644004462).

The spelling of 1222002241 in words is "one billion, two hundred twenty-two million, two thousand, two hundred forty-one".