404040201222 has 64 divisors (see below), whose sum is σ = 949416689664. Its totient is φ = 112235565600.

The previous prime is 404040201217. The next prime is 404040201343. The reversal of 404040201222 is 222102040404.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379678 + ... + 975825.

It is an arithmetic number, because the mean of its divisors is an integer number (14834635776).

Almost surely, 2^404040201222 is an apocalyptic number.

404040201222 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

404040201222 is an abundant number, since it is smaller than the sum of its proper divisors (545376488442).

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

404040201222 is a wasteful number, since it uses less digits than its factorization.

404040201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355713.

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

Adding to 404040201222 its reverse (222102040404), we get a palindrome (626142241626).

The spelling of 404040201222 in words is "four hundred four billion, forty million, two hundred one thousand, two hundred twenty-two".