422040424 has 16 divisors (see below), whose sum is σ = 852197220. Its totient is φ = 194787840.

The previous prime is 422040413. The next prime is 422040427. The reversal of 422040424 is 424040224.

It can be written as a sum of positive squares in 2 ways, for example, as 419512324 + 2528100 = 20482^2 + 1590^2 .

It is a junction number, because it is equal to n+sod(n) for n = 422040395 and 422040404.

It is not an unprimeable number, because it can be changed into a prime (422040427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2028937 + ... + 2029144.

Almost surely, 2^422040424 is an apocalyptic number.

It is an amenable number.

422040424 is an abundant number, since it is smaller than the sum of its proper divisors (430156796).

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

422040424 is a wasteful number, since it uses less digits than its factorization.

422040424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4058100 (or 4058096 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 422040424 is about 20543.6224653784. The cubic root of 422040424 is about 750.0980162269.

Adding to 422040424 its reverse (424040224), we get a palindrome (846080648).

It can be divided in two parts, 4220 and 40424, that added together give a palindrome (44644).

The spelling of 422040424 in words is "four hundred twenty-two million, forty thousand, four hundred twenty-four".