404022322188 has 18 divisors (see below), whose sum is σ = 1021278647844. Its totient is φ = 134674107384.

The previous prime is 404022322169. The next prime is 404022322189. The reversal of 404022322188 is 881223220404.

404022322188 is a `hidden beast` number, since 4 + 0 + 402 + 2 + 32 + 218 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 11222842283 = 404022322188 / (4 + 0 + 4 + 0 + 2 + 2 + 3 + 2 + 2 + 1 + 8 + 8).

It is not an unprimeable number, because it can be changed into a prime (404022322189) 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 5 ways as a sum of consecutive naturals, for example, 5611421106 + ... + 5611421177.

It is an arithmetic number, because the mean of its divisors is an integer number (56737702658).

Almost surely, 2^404022322188 is an apocalyptic number.

It is an amenable number.

404022322188 is an abundant number, since it is smaller than the sum of its proper divisors (617256325656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404022322188 is a wasteful number, since it uses less digits than its factorization.

404022322188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11222842293 (or 11222842288 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The spelling of 404022322188 in words is "four hundred four billion, twenty-two million, three hundred twenty-two thousand, one hundred eighty-eight".