501422241 has 32 divisors (see below), whose sum is σ = 733888512. Its totient is φ = 303526080.

The previous prime is 501422221. The next prime is 501422263. The reversal of 501422241 is 142224105.

It is not a de Polignac number, because 501422241 - 2⁹ = 501421729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (501422221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111156 + ... + 115578.

It is an arithmetic number, because the mean of its divisors is an integer number (22934016).

Almost surely, 2^501422241 is an apocalyptic number.

It is an amenable number.

501422241 is a deficient number, since it is larger than the sum of its proper divisors (232466271).

501422241 is a wasteful number, since it uses less digits than its factorization.

501422241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4533.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 501422241 is about 22392.4594674189. The cubic root of 501422241 is about 794.4523691858.

Adding to 501422241 its reverse (142224105), we get a palindrome (643646346).

The spelling of 501422241 in words is "five hundred one million, four hundred twenty-two thousand, two hundred forty-one".