1422799549 has 2 divisors, whose sum is σ = 1422799550. Its totient is φ = 1422799548.

The previous prime is 1422799493. The next prime is 1422799561. The reversal of 1422799549 is 9459972241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1342123225 + 80676324 = 36635^2 + 8982^2 .

It is an emirp because it is prime and its reverse (9459972241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1422799549 - 2¹⁵ = 1422766781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1422799496 and 1422799505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422799349) 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 as a sum of consecutive naturals, namely, 711399774 + 711399775.

It is an arithmetic number, because the mean of its divisors is an integer number (711399775).

Almost surely, 2^1422799549 is an apocalyptic number.

It is an amenable number.

1422799549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422799549 is an equidigital number, since it uses as much as digits as its factorization.

1422799549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 52.

The square root of 1422799549 is about 37720.0152306438. The cubic root of 1422799549 is about 1124.7290340659.

The spelling of 1422799549 in words is "one billion, four hundred twenty-two million, seven hundred ninety-nine thousand, five hundred forty-nine".