422504300421 has 64 divisors (see below), whose sum is σ = 717517004800. Its totient is φ = 240701243328.

The previous prime is 422504300399. The next prime is 422504300437. The reversal of 422504300421 is 124003405224.

422504300421 is a `hidden beast` number, since 4 + 225 + 0 + 430 + 0 + 4 + 2 + 1 = 666.

It is not a de Polignac number, because 422504300421 - 2¹³ = 422504292229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422504300521) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 110514516 + ... + 110518338.

It is an arithmetic number, because the mean of its divisors is an integer number (11211203200).

Almost surely, 2^422504300421 is an apocalyptic number.

It is an amenable number.

422504300421 is a deficient number, since it is larger than the sum of its proper divisors (295012704379).

422504300421 is a wasteful number, since it uses less digits than its factorization.

422504300421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5455 (or 5449 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 422504300421 its reverse (124003405224), we get a palindrome (546507705645).

The spelling of 422504300421 in words is "four hundred twenty-two billion, five hundred four million, three hundred thousand, four hundred twenty-one".