500422431 has 8 divisors (see below), whose sum is σ = 696240000. Its totient is φ = 319109912.

The previous prime is 500422423. The next prime is 500422441. The reversal of 500422431 is 134224005.

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

It is not a de Polignac number, because 500422431 - 2³ = 500422423 is a prime.

It is a super-2 number, since 2×500422431² = 500845218895899522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 500422398 and 500422407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500422411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3626181 + ... + 3626318.

It is an arithmetic number, because the mean of its divisors is an integer number (87030000).

Almost surely, 2^500422431 is an apocalyptic number.

500422431 is a deficient number, since it is larger than the sum of its proper divisors (195817569).

500422431 is a wasteful number, since it uses less digits than its factorization.

500422431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7252525.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 500422431 is about 22370.1236250495. The cubic root of 500422431 is about 793.9239855363.

Adding to 500422431 its reverse (134224005), we get a palindrome (634646436).

The spelling of 500422431 in words is "five hundred million, four hundred twenty-two thousand, four hundred thirty-one".