404032422 has 16 divisors (see below), whose sum is σ = 812169072. Its totient is φ = 133993440.

The previous prime is 404032411. The next prime is 404032439. The reversal of 404032422 is 224230404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169729 + ... + 172092.

It is an arithmetic number, because the mean of its divisors is an integer number (50760567).

Almost surely, 2^404032422 is an apocalyptic number.

404032422 is an abundant number, since it is smaller than the sum of its proper divisors (408136650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404032422 is a wasteful number, since it uses less digits than its factorization.

404032422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342023.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 404032422 is about 20100.5577534555. The cubic root of 404032422 is about 739.2739543016.

Adding to 404032422 its reverse (224230404), we get a palindrome (628262826).

The spelling of 404032422 in words is "four hundred four million, thirty-two thousand, four hundred twenty-two".