422421013 has 12 divisors (see below), whose sum is σ = 512753760. Its totient is φ = 346331832.

The previous prime is 422421011. The next prime is 422421023. The reversal of 422421013 is 310124224.

It is not a de Polignac number, because 422421013 - 2¹ = 422421011 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 (422421011) 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 11 ways as a sum of consecutive naturals, for example, 186283 + ... + 188536.

It is an arithmetic number, because the mean of its divisors is an integer number (42729480).

Almost surely, 2^422421013 is an apocalyptic number.

It is an amenable number.

422421013 is a deficient number, since it is larger than the sum of its proper divisors (90332747).

422421013 is a wasteful number, since it uses less digits than its factorization.

422421013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374856 (or 374849 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 422421013 is about 20552.8833257040. The cubic root of 422421013 is about 750.3234237686.

Adding to 422421013 its reverse (310124224), we get a palindrome (732545237).

The spelling of 422421013 in words is "four hundred twenty-two million, four hundred twenty-one thousand, thirteen".