422517738 has 8 divisors (see below), whose sum is σ = 845035488. Its totient is φ = 140839244.

The previous prime is 422517737. The next prime is 422517743. The reversal of 422517738 is 837715224.

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

422517738 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 422517696 and 422517705.

It is not an unprimeable number, because it can be changed into a prime (422517737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35209806 + ... + 35209817.

It is an arithmetic number, because the mean of its divisors is an integer number (105629436).

Almost surely, 2^422517738 is an apocalyptic number.

422517738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

422517738 is a wasteful number, since it uses less digits than its factorization.

422517738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70419628.

The product of its digits is 94080, while the sum is 39.

The square root of 422517738 is about 20555.2362671899. The cubic root of 422517738 is about 750.3806885134.

The spelling of 422517738 in words is "four hundred twenty-two million, five hundred seventeen thousand, seven hundred thirty-eight".