2242422251 has 2 divisors, whose sum is σ = 2242422252. Its totient is φ = 2242422250.

The previous prime is 2242422241. The next prime is 2242422253. The reversal of 2242422251 is 1522242422.

It is a happy number.

2242422251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2242422251 is a prime.

Together with 2242422253, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2242422251.

It is not a weakly prime, because it can be changed into another prime (2242422253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121211125 + 1121211126.

It is an arithmetic number, because the mean of its divisors is an integer number (1121211126).

Almost surely, 2^2242422251 is an apocalyptic number.

2242422251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242422251 is an equidigital number, since it uses as much as digits as its factorization.

2242422251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5120, while the sum is 26.

The square root of 2242422251 is about 47354.2210473364. The cubic root of 2242422251 is about 1308.8979817751.

Adding to 2242422251 its reverse (1522242422), we get a palindrome (3764664673).

The spelling of 2242422251 in words is "two billion, two hundred forty-two million, four hundred twenty-two thousand, two hundred fifty-one".