422231504 has 20 divisors (see below), whose sum is σ = 822318276. Its totient is φ = 210020352.

The previous prime is 422231473. The next prime is 422231507. The reversal of 422231504 is 405132224.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47886400 + 374345104 = 6920^2 + 19348^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 422231504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422231507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65279 + ... + 71454.

Almost surely, 2^422231504 is an apocalyptic number.

It is an amenable number.

422231504 is a deficient number, since it is larger than the sum of its proper divisors (400086772).

422231504 is a wasteful number, since it uses less digits than its factorization.

422231504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136934 (or 136928 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 422231504 is about 20548.2725307993. The cubic root of 422231504 is about 750.2112021489.

Adding to 422231504 its reverse (405132224), we get a palindrome (827363728).

The spelling of 422231504 in words is "four hundred twenty-two million, two hundred thirty-one thousand, five hundred four".