1222717151 has 2 divisors, whose sum is σ = 1222717152. Its totient is φ = 1222717150.

The previous prime is 1222717087. The next prime is 1222717157. The reversal of 1222717151 is 1517172221.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1517172221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222717151 - 2⁶ = 1222717087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222717157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611358575 + 611358576.

It is an arithmetic number, because the mean of its divisors is an integer number (611358576).

Almost surely, 2^1222717151 is an apocalyptic number.

1222717151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222717151 is an equidigital number, since it uses as much as digits as its factorization.

1222717151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1960, while the sum is 29.

The square root of 1222717151 is about 34967.3726636703. The cubic root of 1222717151 is about 1069.3224087997.

Adding to 1222717151 its reverse (1517172221), we get a palindrome (2739889372).

The spelling of 1222717151 in words is "one billion, two hundred twenty-two million, seven hundred seventeen thousand, one hundred fifty-one".