2255424421 has 2 divisors, whose sum is σ = 2255424422. Its totient is φ = 2255424420.

The previous prime is 2255424397. The next prime is 2255424427. The reversal of 2255424421 is 1244245522.

2255424421 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 can be written as a sum of positive squares in only one way, i.e., 2163552196 + 91872225 = 46514^2 + 9585^2 .

It is a cyclic number.

It is not a de Polignac number, because 2255424421 - 2¹⁵ = 2255391653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2255424427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127712210 + 1127712211.

It is an arithmetic number, because the mean of its divisors is an integer number (1127712211).

Almost surely, 2^2255424421 is an apocalyptic number.

It is an amenable number.

2255424421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2255424421 is an equidigital number, since it uses as much as digits as its factorization.

2255424421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25600, while the sum is 31.

The square root of 2255424421 is about 47491.3088996292. The cubic root of 2255424421 is about 1311.4228893781.

Adding to 2255424421 its reverse (1244245522), we get a palindrome (3499669943).

The spelling of 2255424421 in words is "two billion, two hundred fifty-five million, four hundred twenty-four thousand, four hundred twenty-one".