422040422 has 8 divisors (see below), whose sum is σ = 654890400. Its totient is φ = 203743624.

The previous prime is 422040413. The next prime is 422040427. The reversal of 422040422 is 224040224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 422040394 and 422040403.

It is a congruent number.

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, 3638222 + ... + 3638337.

It is an arithmetic number, because the mean of its divisors is an integer number (81861300).

Almost surely, 2^422040422 is an apocalyptic number.

422040422 is a deficient number, since it is larger than the sum of its proper divisors (232849978).

422040422 is a wasteful number, since it uses less digits than its factorization.

422040422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7276590.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 422040422 is about 20543.6224167015. The cubic root of 422040422 is about 750.0980150420.

Adding to 422040422 its reverse (224040224), we get a palindrome (646080646).

The spelling of 422040422 in words is "four hundred twenty-two million, forty thousand, four hundred twenty-two".