404022430221 has 16 divisors (see below), whose sum is σ = 544703781888. Its totient is φ = 266349312000.

The previous prime is 404022430211. The next prime is 404022430223. The reversal of 404022430221 is 122034220404.

It is not a de Polignac number, because 404022430221 - 2⁷ = 404022430093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404022430191 and 404022430200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404022430223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228525 + ... + 927506.

It is an arithmetic number, because the mean of its divisors is an integer number (34043986368).

Almost surely, 2^404022430221 is an apocalyptic number.

It is an amenable number.

404022430221 is a deficient number, since it is larger than the sum of its proper divisors (140681351667).

404022430221 is a wasteful number, since it uses less digits than its factorization.

404022430221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157332.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 404022430221 its reverse (122034220404), we get a palindrome (526056650625).

The spelling of 404022430221 in words is "four hundred four billion, twenty-two million, four hundred thirty thousand, two hundred twenty-one".