1005222241 has 2 divisors, whose sum is σ = 1005222242. Its totient is φ = 1005222240.

The previous prime is 1005222203. The next prime is 1005222269. The reversal of 1005222241 is 1422225001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 750979216 + 254243025 = 27404^2 + 15945^2 .

It is an emirp because it is prime and its reverse (1422225001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1005222241 - 2¹¹ = 1005220193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1005222271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502611120 + 502611121.

It is an arithmetic number, because the mean of its divisors is an integer number (502611121).

Almost surely, 2^1005222241 is an apocalyptic number.

It is an amenable number.

1005222241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005222241 is an equidigital number, since it uses as much as digits as its factorization.

1005222241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1005222241 is about 31705.2399612430. The cubic root of 1005222241 is about 1001.7377255607.

Adding to 1005222241 its reverse (1422225001), we get a palindrome (2427447242).

The spelling of 1005222241 in words is "one billion, five million, two hundred twenty-two thousand, two hundred forty-one".