422000422 has 16 divisors (see below), whose sum is σ = 642362544. Its totient is φ = 207900000.

The previous prime is 422000407. The next prime is 422000441. The reversal of 422000422 is 224000224.

It is a junction number, because it is equal to n+sod(n) for n = 422000396 and 422000405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37672 + ... + 47572.

It is an arithmetic number, because the mean of its divisors is an integer number (40147659).

Almost surely, 2^422000422 is an apocalyptic number.

422000422 is a deficient number, since it is larger than the sum of its proper divisors (220362122).

422000422 is a wasteful number, since it uses less digits than its factorization.

422000422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10215.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 422000422 is about 20542.6488554909. The cubic root of 422000422 is about 750.0743167839.

Adding to 422000422 its reverse (224000224), we get a palindrome (646000646).

The spelling of 422000422 in words is "four hundred twenty-two million, four hundred twenty-two", and thus it is an aban number.