422402042421 has 48 divisors (see below), whose sum is σ = 624021840000. Its totient is φ = 275235532416.

The previous prime is 422402042329. The next prime is 422402042441. The reversal of 422402042421 is 124240204224.

It is not a de Polignac number, because 422402042421 - 2⁹ = 422402041909 is a prime.

It is a super-3 number, since 3×422402042421³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422402042441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 168757056 + ... + 168759558.

It is an arithmetic number, because the mean of its divisors is an integer number (13000455000).

Almost surely, 2^422402042421 is an apocalyptic number.

It is an amenable number.

422402042421 is a deficient number, since it is larger than the sum of its proper divisors (201619797579).

422402042421 is a wasteful number, since it uses less digits than its factorization.

422402042421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770 (or 3767 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 422402042421 its reverse (124240204224), we get a palindrome (546642246645).

The spelling of 422402042421 in words is "four hundred twenty-two billion, four hundred two million, forty-two thousand, four hundred twenty-one".