2252311421 has 2 divisors, whose sum is σ = 2252311422. Its totient is φ = 2252311420.

The previous prime is 2252311387. The next prime is 2252311423. The reversal of 2252311421 is 1241132522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2026260196 + 226051225 = 45014^2 + 15035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2252311421 is a prime.

Together with 2252311423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2252311423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1126155710 + 1126155711.

It is an arithmetic number, because the mean of its divisors is an integer number (1126155711).

Almost surely, 2^2252311421 is an apocalyptic number.

It is an amenable number.

2252311421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2252311421 is an equidigital number, since it uses as much as digits as its factorization.

2252311421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 23.

The square root of 2252311421 is about 47458.5231649701. The cubic root of 2252311421 is about 1310.8192573670.

Adding to 2252311421 its reverse (1241132522), we get a palindrome (3493443943).

The spelling of 2252311421 in words is "two billion, two hundred fifty-two million, three hundred eleven thousand, four hundred twenty-one".