2201421427 has 2 divisors, whose sum is σ = 2201421428. Its totient is φ = 2201421426.

The previous prime is 2201421419. The next prime is 2201421457. The reversal of 2201421427 is 7241241022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2201421427 - 2³ = 2201421419 is a prime.

It is not a weakly prime, because it can be changed into another prime (2201421457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100710713 + 1100710714.

It is an arithmetic number, because the mean of its divisors is an integer number (1100710714).

Almost surely, 2^2201421427 is an apocalyptic number.

2201421427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201421427 is an equidigital number, since it uses as much as digits as its factorization.

2201421427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 2201421427 is about 46919.3076142434. The cubic root of 2201421427 is about 1300.8714919714.

Adding to 2201421427 its reverse (7241241022), we get a palindrome (9442662449).

The spelling of 2201421427 in words is "two billion, two hundred one million, four hundred twenty-one thousand, four hundred twenty-seven".