404440222242 has 32 divisors (see below), whose sum is σ = 954255273984. Its totient is φ = 111826789200.

The previous prime is 404440222223. The next prime is 404440222283. The reversal of 404440222242 is 242222044404.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155313684 + ... + 155316287.

It is an arithmetic number, because the mean of its divisors is an integer number (29820477312).

Almost surely, 2^404440222242 is an apocalyptic number.

404440222242 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

404440222242 is an abundant number, since it is smaller than the sum of its proper divisors (549815051742).

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

404440222242 is a wasteful number, since it uses less digits than its factorization.

404440222242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310630014.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 404440222242 its reverse (242222044404), we get a palindrome (646662266646).

The spelling of 404440222242 in words is "four hundred four billion, four hundred forty million, two hundred twenty-two thousand, two hundred forty-two".