1448422181 has 2 divisors, whose sum is σ = 1448422182. Its totient is φ = 1448422180.

The previous prime is 1448422177. The next prime is 1448422279. The reversal of 1448422181 is 1812248441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1393528900 + 54893281 = 37330^2 + 7409^2 .

It is an emirp because it is prime and its reverse (1812248441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1448422181 - 2² = 1448422177 is a prime.

It is a super-2 number, since 2×1448422181² = 4195853628825593522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1448422111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724211090 + 724211091.

It is an arithmetic number, because the mean of its divisors is an integer number (724211091).

Almost surely, 2^1448422181 is an apocalyptic number.

It is an amenable number.

1448422181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1448422181 is an equidigital number, since it uses as much as digits as its factorization.

1448422181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16384, while the sum is 35.

The square root of 1448422181 is about 38058.1421117742. The cubic root of 1448422181 is about 1131.4405052792.

The spelling of 1448422181 in words is "one billion, four hundred forty-eight million, four hundred twenty-two thousand, one hundred eighty-one".