501330422 has 4 divisors (see below), whose sum is σ = 751995636. Its totient is φ = 250665210.

The previous prime is 501330413. The next prime is 501330433. The reversal of 501330422 is 224033105.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 501330394 and 501330403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125332604 + ... + 125332607.

It is an arithmetic number, because the mean of its divisors is an integer number (187998909).

Almost surely, 2^501330422 is an apocalyptic number.

501330422 is a deficient number, since it is larger than the sum of its proper divisors (250665214).

501330422 is a wasteful number, since it uses less digits than its factorization.

501330422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250665213.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 501330422 is about 22390.4091521348. The cubic root of 501330422 is about 794.4038736138.

Adding to 501330422 its reverse (224033105), we get a palindrome (725363527).

The spelling of 501330422 in words is "five hundred one million, three hundred thirty thousand, four hundred twenty-two".