404522241 has 8 divisors (see below), whose sum is σ = 539465184. Its totient is φ = 269630400.

The previous prime is 404522219. The next prime is 404522243. The reversal of 404522241 is 142225404.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-404522241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404522243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13305 + ... + 31401.

It is an arithmetic number, because the mean of its divisors is an integer number (67433148).

Almost surely, 2^404522241 is an apocalyptic number.

It is an amenable number.

404522241 is a deficient number, since it is larger than the sum of its proper divisors (134942943).

404522241 is a wasteful number, since it uses less digits than its factorization.

404522241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25551.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 404522241 is about 20112.7382770224. The cubic root of 404522241 is about 739.5725806625.

Adding to 404522241 its reverse (142225404), we get a palindrome (546747645).

The spelling of 404522241 in words is "four hundred four million, five hundred twenty-two thousand, two hundred forty-one".