506156422 has 4 divisors (see below), whose sum is σ = 759234636. Its totient is φ = 253078210.

The previous prime is 506156393. The next prime is 506156429. The reversal of 506156422 is 224651605.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506156429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126539104 + ... + 126539107.

It is an arithmetic number, because the mean of its divisors is an integer number (189808659).

Almost surely, 2^506156422 is an apocalyptic number.

506156422 is a deficient number, since it is larger than the sum of its proper divisors (253078214).

506156422 is a wasteful number, since it uses less digits than its factorization.

506156422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253078213.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 506156422 is about 22497.9203927830. The cubic root of 506156422 is about 796.9448169653.

The spelling of 506156422 in words is "five hundred six million, one hundred fifty-six thousand, four hundred twenty-two".