1422221013 has 12 divisors (see below), whose sum is σ = 2074265440. Its totient is φ = 938941416.

The previous prime is 1422221011. The next prime is 1422221083. The reversal of 1422221013 is 3101222241.

It is a happy number.

It is not a de Polignac number, because 1422221013 - 2¹ = 1422221011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422221011) 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 in 11 ways as a sum of consecutive naturals, for example, 766183 + ... + 768036.

Almost surely, 2^1422221013 is an apocalyptic number.

It is an amenable number.

1422221013 is a deficient number, since it is larger than the sum of its proper divisors (652044427).

1422221013 is a wasteful number, since it uses less digits than its factorization.

1422221013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534328 (or 1534325 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1422221013 is about 37712.3456311060. The cubic root of 1422221013 is about 1124.5765683509.

Adding to 1422221013 its reverse (3101222241), we get a palindrome (4523443254).

The spelling of 1422221013 in words is "one billion, four hundred twenty-two million, two hundred twenty-one thousand, thirteen".