1422421013 has 8 divisors (see below), whose sum is σ = 1532736408. Its totient is φ = 1312233984.

The previous prime is 1422421009. The next prime is 1422421067. The reversal of 1422421013 is 3101242241.

It can be written as a sum of positive squares in 4 ways, for example, as 281467729 + 1140953284 = 16777^2 + 33778^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1422421013 - 2² = 1422421009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422421613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8420 + ... + 53997.

It is an arithmetic number, because the mean of its divisors is an integer number (191592051).

Almost surely, 2^1422421013 is an apocalyptic number.

1422421013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1422421013 is a deficient number, since it is larger than the sum of its proper divisors (110315395).

1422421013 is a wasteful number, since it uses less digits than its factorization.

1422421013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64183.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1422421013 is about 37714.9971894471. The cubic root of 1422421013 is about 1124.6292804516.

Adding to 1422421013 its reverse (3101242241), we get a palindrome (4523663254).

The spelling of 1422421013 in words is "one billion, four hundred twenty-two million, four hundred twenty-one thousand, thirteen".