422402234140 has 24 divisors (see below), whose sum is σ = 887987392992. Its totient is φ = 168781331520.

The previous prime is 422402234101. The next prime is 422402234173. The reversal of 422402234140 is 41432204224.

It is a junction number, because it is equal to n+sod(n) for n = 422402234099 and 422402234108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11203344 + ... + 11240983.

It is an arithmetic number, because the mean of its divisors is an integer number (36999474708).

Almost surely, 2^422402234140 is an apocalyptic number.

It is an amenable number.

422402234140 is an abundant number, since it is smaller than the sum of its proper divisors (465585158852).

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

422402234140 is a wasteful number, since it uses less digits than its factorization.

422402234140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22445277 (or 22445275 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 422402234140 its reverse (41432204224), we get a palindrome (463834438364).

The spelling of 422402234140 in words is "four hundred twenty-two billion, four hundred two million, two hundred thirty-four thousand, one hundred forty".