404422401 has 32 divisors (see below), whose sum is σ = 587865600. Its totient is φ = 246302720.

The previous prime is 404422399. The next prime is 404422427. The reversal of 404422401 is 104224404.

It is a cyclic number.

It is not a de Polignac number, because 404422401 - 2¹ = 404422399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404422481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 562120 + ... + 562838.

It is an arithmetic number, because the mean of its divisors is an integer number (18370800).

Almost surely, 2^404422401 is an apocalyptic number.

404422401 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

404422401 is a deficient number, since it is larger than the sum of its proper divisors (183443199).

404422401 is a wasteful number, since it uses less digits than its factorization.

404422401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 404422401 is about 20110.2561147291. The cubic root of 404422401 is about 739.5117311017.

Adding to 404422401 its reverse (104224404), we get a palindrome (508646805).

The spelling of 404422401 in words is "four hundred four million, four hundred twenty-two thousand, four hundred one".