242244222251 has 2 divisors, whose sum is σ = 242244222252. Its totient is φ = 242244222250.

The previous prime is 242244222191. The next prime is 242244222257. The reversal of 242244222251 is 152222442242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242244222251 - 2²² = 242240027947 is a prime.

It is not a weakly prime, because it can be changed into another prime (242244222257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121122111125 + 121122111126.

It is an arithmetic number, because the mean of its divisors is an integer number (121122111126).

Almost surely, 2^242244222251 is an apocalyptic number.

242244222251 is a deficient number, since it is larger than the sum of its proper divisors (1).

242244222251 is an equidigital number, since it uses as much as digits as its factorization.

242244222251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40960, while the sum is 32.

Adding to 242244222251 its reverse (152222442242), we get a palindrome (394466664493).

The spelling of 242244222251 in words is "two hundred forty-two billion, two hundred forty-four million, two hundred twenty-two thousand, two hundred fifty-one".