422498140 has 24 divisors (see below), whose sum is σ = 887927040. Its totient is φ = 168869568.

The previous prime is 422498113. The next prime is 422498173. The reversal of 422498140 is 41894224.

It is a junction number, because it is equal to n+sod(n) for n = 422498096 and 422498105.

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, 21189 + ... + 35971.

It is an arithmetic number, because the mean of its divisors is an integer number (36996960).

Almost surely, 2^422498140 is an apocalyptic number.

It is an amenable number.

422498140 is an abundant number, since it is smaller than the sum of its proper divisors (465428900).

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

422498140 is a wasteful number, since it uses less digits than its factorization.

422498140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16221 (or 16219 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 422498140 is about 20554.7595461489. The cubic root of 422498140 is about 750.3690864852.

The spelling of 422498140 in words is "four hundred twenty-two million, four hundred ninety-eight thousand, one hundred forty".