2235444444 has 72 divisors (see below), whose sum is σ = 5994516528. Its totient is φ = 699978240.

The previous prime is 2235444433. The next prime is 2235444457. The reversal of 2235444444 is 4444445322.

2235444444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2235444399 and 2235444408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346254 + ... + 352650.

It is an arithmetic number, because the mean of its divisors is an integer number (83257174).

Almost surely, 2^2235444444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2235444444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2997258264).

2235444444 is an abundant number, since it is smaller than the sum of its proper divisors (3759072084).

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

2235444444 is a wasteful number, since it uses less digits than its factorization.

2235444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6995 (or 6990 counting only the distinct ones).

The product of its digits is 245760, while the sum is 36.

The square root of 2235444444 is about 47280.4869264266. The cubic root of 2235444444 is about 1307.5389265112.

Adding to 2235444444 its reverse (4444445322), we get a palindrome (6679889766).

The spelling of 2235444444 in words is "two billion, two hundred thirty-five million, four hundred forty-four thousand, four hundred forty-four".