422442422 has 8 divisors (see below), whose sum is σ = 634935000. Its totient is φ = 210797424.

The previous prime is 422442407. The next prime is 422442443. The reversal of 422442422 is 224244224.

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 = 422442391 and 422442400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210647 + ... + 212642.

It is an arithmetic number, because the mean of its divisors is an integer number (79366875).

Almost surely, 2^422442422 is an apocalyptic number.

422442422 is a deficient number, since it is larger than the sum of its proper divisors (212492578).

422442422 is a wasteful number, since it uses less digits than its factorization.

422442422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423790.

The product of its digits is 8192, while the sum is 26.

The square root of 422442422 is about 20553.4041462722. The cubic root of 422442422 is about 750.3360994345.

Adding to 422442422 its reverse (224244224), we get a palindrome (646686646).

The spelling of 422442422 in words is "four hundred twenty-two million, four hundred forty-two thousand, four hundred twenty-two".