422042140 has 48 divisors (see below), whose sum is σ = 974800512. Its totient is φ = 152510976.

The previous prime is 422042123. The next prime is 422042141. The reversal of 422042140 is 41240224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422042141) 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, 5049 + ... + 29488.

It is an arithmetic number, because the mean of its divisors is an integer number (20308344).

Almost surely, 2^422042140 is an apocalyptic number.

It is an amenable number.

422042140 is an abundant number, since it is smaller than the sum of its proper divisors (552758372).

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

422042140 is a wasteful number, since it uses less digits than its factorization.

422042140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34606 (or 34604 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 422042140 is about 20543.6642301221. The cubic root of 422042140 is about 750.0990328487.

Adding to 422042140 its reverse (41240224), we get a palindrome (463282364).

It can be divided in two parts, 42204 and 2140, that added together give a palindrome (44344).

The spelling of 422042140 in words is "four hundred twenty-two million, forty-two thousand, one hundred forty".