404234522 has 32 divisors (see below), whose sum is σ = 644039424. Its totient is φ = 189904000.

The previous prime is 404234503. The next prime is 404234573. The reversal of 404234522 is 225432404.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 404234491 and 404234500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 775622 + ... + 776142.

It is an arithmetic number, because the mean of its divisors is an integer number (20126232).

Almost surely, 2^404234522 is an apocalyptic number.

404234522 is a deficient number, since it is larger than the sum of its proper divisors (239804902).

404234522 is a wasteful number, since it uses less digits than its factorization.

404234522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 404234522 is about 20105.5843486331. The cubic root of 404234522 is about 739.3971971846.

Adding to 404234522 its reverse (225432404), we get a palindrome (629666926).

The spelling of 404234522 in words is "four hundred four million, two hundred thirty-four thousand, five hundred twenty-two".