4400401122 has 24 divisors (see below), whose sum is σ = 10267603164. Its totient is φ = 1353969504.

The previous prime is 4400401099. The next prime is 4400401127. The reversal of 4400401122 is 2211040044.

It can be written as a sum of positive squares in 2 ways, for example, as 4225130001 + 175271121 = 65001^2 + 13239^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4400401095 and 4400401104.

It is not an unprimeable number, because it can be changed into a prime (4400401127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9402333 + ... + 9402800.

Almost surely, 2^4400401122 is an apocalyptic number.

4400401122 is an abundant number, since it is smaller than the sum of its proper divisors (5867202042).

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

4400401122 is a wasteful number, since it uses less digits than its factorization.

4400401122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18805154 (or 18805151 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 4400401122 is about 66335.5193090399. The cubic root of 4400401122 is about 1638.6923348074.

Adding to 4400401122 its reverse (2211040044), we get a palindrome (6611441166).

The spelling of 4400401122 in words is "four billion, four hundred million, four hundred one thousand, one hundred twenty-two".