422231523 has 16 divisors (see below), whose sum is σ = 649416960. Its totient is φ = 239018976.

The previous prime is 422231507. The next prime is 422231527. The reversal of 422231523 is 325132224.

It is not a de Polignac number, because 422231523 - 2⁴ = 422231507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422231493 and 422231502.

It is not an unprimeable number, because it can be changed into a prime (422231527) 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 in 15 ways as a sum of consecutive naturals, for example, 91708 + ... + 96201.

It is an arithmetic number, because the mean of its divisors is an integer number (40588560).

Almost surely, 2^422231523 is an apocalyptic number.

422231523 is a deficient number, since it is larger than the sum of its proper divisors (227185437).

422231523 is a wasteful number, since it uses less digits than its factorization.

422231523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188026.

The product of its digits is 2880, while the sum is 24.

The square root of 422231523 is about 20548.2729931252. The cubic root of 422231523 is about 750.2112134018.

Adding to 422231523 its reverse (325132224), we get a palindrome (747363747).

The spelling of 422231523 in words is "four hundred twenty-two million, two hundred thirty-one thousand, five hundred twenty-three".