2254042421 has 4 divisors (see below), whose sum is σ = 2275926432. Its totient is φ = 2232158412.

The previous prime is 2254042397. The next prime is 2254042423. The reversal of 2254042421 is 1242404522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2254042421 - 2²⁶ = 2186933557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2254042423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10941851 + ... + 10942056.

It is an arithmetic number, because the mean of its divisors is an integer number (568981608).

Almost surely, 2^2254042421 is an apocalyptic number.

It is an amenable number.

2254042421 is a deficient number, since it is larger than the sum of its proper divisors (21884011).

2254042421 is a wasteful number, since it uses less digits than its factorization.

2254042421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21884010.

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

The square root of 2254042421 is about 47476.7566394336. The cubic root of 2254042421 is about 1311.1549787181.

Adding to 2254042421 its reverse (1242404522), we get a palindrome (3496446943).

The spelling of 2254042421 in words is "two billion, two hundred fifty-four million, forty-two thousand, four hundred twenty-one".