202421410422 has 32 divisors (see below), whose sum is σ = 504739102464. Its totient is φ = 52576989600.

The previous prime is 202421410421. The next prime is 202421410439. The reversal of 202421410422 is 224014124202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202421410392 and 202421410401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202421410421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219070329 + ... + 219071252.

It is an arithmetic number, because the mean of its divisors is an integer number (15773096952).

Almost surely, 2^202421410422 is an apocalyptic number.

202421410422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202421410422 is an abundant number, since it is smaller than the sum of its proper divisors (302317692042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202421410422 is a wasteful number, since it uses less digits than its factorization.

202421410422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438141604.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 202421410422 its reverse (224014124202), we get a palindrome (426435534624).

The spelling of 202421410422 in words is "two hundred two billion, four hundred twenty-one million, four hundred ten thousand, four hundred twenty-two".