2211422461 has 2 divisors, whose sum is σ = 2211422462. Its totient is φ = 2211422460.

The previous prime is 2211422459. The next prime is 2211422489. The reversal of 2211422461 is 1642241122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1713463236 + 497959225 = 41394^2 + 22315^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211422461 - 2¹ = 2211422459 is a prime.

Together with 2211422459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211422491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105711230 + 1105711231.

It is an arithmetic number, because the mean of its divisors is an integer number (1105711231).

Almost surely, 2^2211422461 is an apocalyptic number.

It is an amenable number.

2211422461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211422461 is an equidigital number, since it uses as much as digits as its factorization.

2211422461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 25.

The square root of 2211422461 is about 47025.7638002829. The cubic root of 2211422461 is about 1302.8384647516.

Adding to 2211422461 its reverse (1642241122), we get a palindrome (3853663583).

The spelling of 2211422461 in words is "two billion, two hundred eleven million, four hundred twenty-two thousand, four hundred sixty-one".