422041144 has 32 divisors (see below), whose sum is σ = 906232320. Its totient is φ = 180503136.

The previous prime is 422041141. The next prime is 422041157. The reversal of 422041144 is 441140224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422041141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20677 + ... + 35659.

It is an arithmetic number, because the mean of its divisors is an integer number (28319760).

Almost surely, 2^422041144 is an apocalyptic number.

It is an amenable number.

422041144 is an abundant number, since it is smaller than the sum of its proper divisors (484191176).

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

422041144 is a wasteful number, since it uses less digits than its factorization.

422041144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15499 (or 15495 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 422041144 is about 20543.6399890574. The cubic root of 422041144 is about 750.0984427818.

Adding to 422041144 its reverse (441140224), we get a palindrome (863181368).

The spelling of 422041144 in words is "four hundred twenty-two million, forty-one thousand, one hundred forty-four".