501323422 has 4 divisors (see below), whose sum is σ = 751985136. Its totient is φ = 250661710.

The previous prime is 501323419. The next prime is 501323423. The reversal of 501323422 is 224323105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224323105 = 5 ⋅44864621.

It is a junction number, because it is equal to n+sod(n) for n = 501323393 and 501323402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501323423) 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 as a sum of consecutive naturals, namely, 125330854 + ... + 125330857.

It is an arithmetic number, because the mean of its divisors is an integer number (187996284).

Almost surely, 2^501323422 is an apocalyptic number.

501323422 is a deficient number, since it is larger than the sum of its proper divisors (250661714).

501323422 is a wasteful number, since it uses less digits than its factorization.

501323422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250661713.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 501323422 is about 22390.2528346600. The cubic root of 501323422 is about 794.4001762167.

Adding to 501323422 its reverse (224323105), we get a palindrome (725646527).

The spelling of 501323422 in words is "five hundred one million, three hundred twenty-three thousand, four hundred twenty-two".