404223332413221 has 64 divisors (see below), whose sum is σ = 627283764541440. Its totient is φ = 256778068377600.

The previous prime is 404223332413217. The next prime is 404223332413259. The reversal of 404223332413221 is 122314233322404.

404223332413221 is a `hidden beast` number, since 4 + 0 + 4 + 2 + 2 + 3 + 3 + 324 + 1 + 322 + 1 = 666.

It is not a de Polignac number, because 404223332413221 - 2² = 404223332413217 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404223332403221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 225584421 + ... + 227369253.

It is an arithmetic number, because the mean of its divisors is an integer number (9801308820960).

Almost surely, 2^{404223332413221} is an apocalyptic number.

It is an amenable number.

404223332413221 is a deficient number, since it is larger than the sum of its proper divisors (223060432128219).

404223332413221 is a wasteful number, since it uses less digits than its factorization.

404223332413221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786263 (or 1786257 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 404223332413221 its reverse (122314233322404), we get a palindrome (526537565735625).

The spelling of 404223332413221 in words is "four hundred four trillion, two hundred twenty-three billion, three hundred thirty-two million, four hundred thirteen thousand, two hundred twenty-one".