2122242427 has 2 divisors, whose sum is σ = 2122242428. Its totient is φ = 2122242426.

The previous prime is 2122242403. The next prime is 2122242457. The reversal of 2122242427 is 7242422212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122242427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2122242395 and 2122242404.

It is not a weakly prime, because it can be changed into another prime (2122242457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061121213 + 1061121214.

It is an arithmetic number, because the mean of its divisors is an integer number (1061121214).

Almost surely, 2^2122242427 is an apocalyptic number.

2122242427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122242427 is an equidigital number, since it uses as much as digits as its factorization.

2122242427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7168, while the sum is 28.

The square root of 2122242427 is about 46067.8024980571. The cubic root of 2122242427 is about 1285.0844372137.

Adding to 2122242427 its reverse (7242422212), we get a palindrome (9364664639).

The spelling of 2122242427 in words is "two billion, one hundred twenty-two million, two hundred forty-two thousand, four hundred twenty-seven".