404222213423 has 12 divisors (see below), whose sum is σ = 470245718160. Its totient is φ = 346455520992.

The previous prime is 404222213407. The next prime is 404222213449. The reversal of 404222213423 is 324312222404.

It is not a de Polignac number, because 404222213423 - 2⁴ = 404222213407 is a prime.

It is a super-2 number, since 2×404222213423² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404222213453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 614483 + ... + 1089051.

It is an arithmetic number, because the mean of its divisors is an integer number (39187143180).

Almost surely, 2^404222213423 is an apocalyptic number.

404222213423 is a deficient number, since it is larger than the sum of its proper divisors (66023504737).

404222213423 is a wasteful number, since it uses less digits than its factorization.

404222213423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491966 (or 491959 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 404222213423 its reverse (324312222404), we get a palindrome (728534435827).

The spelling of 404222213423 in words is "four hundred four billion, two hundred twenty-two million, two hundred thirteen thousand, four hundred twenty-three".