1422481849 has 2 divisors, whose sum is σ = 1422481850. Its totient is φ = 1422481848.

The previous prime is 1422481847. The next prime is 1422481883. The reversal of 1422481849 is 9481842241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1419782400 + 2699449 = 37680^2 + 1643^2 .

It is an emirp because it is prime and its reverse (9481842241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1422481849 - 2¹ = 1422481847 is a prime.

It is a super-2 number, since 2×1422481849² = 4046909221468917602, which contains 22 as substring.

Together with 1422481847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1422481847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711240924 + 711240925.

It is an arithmetic number, because the mean of its divisors is an integer number (711240925).

Almost surely, 2^1422481849 is an apocalyptic number.

It is an amenable number.

1422481849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422481849 is an equidigital number, since it uses as much as digits as its factorization.

1422481849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147456, while the sum is 43.

The square root of 1422481849 is about 37715.8037034875. The cubic root of 1422481849 is about 1124.6453134383.

The spelling of 1422481849 in words is "one billion, four hundred twenty-two million, four hundred eighty-one thousand, eight hundred forty-nine".