2244400422 has 64 divisors (see below), whose sum is σ = 5332435200. Its totient is φ = 622097280.

The previous prime is 2244400409. The next prime is 2244400481. The reversal of 2244400422 is 2240044422.

It is a junction number, because it is equal to n+sod(n) for n = 2244400392 and 2244400401.

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, 5508 + ... + 67224.

It is an arithmetic number, because the mean of its divisors is an integer number (83319300).

Almost surely, 2^2244400422 is an apocalyptic number.

2244400422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2244400422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2666217600).

2244400422 is an abundant number, since it is smaller than the sum of its proper divisors (3088034778).

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

2244400422 is a wasteful number, since it uses less digits than its factorization.

2244400422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61781.

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 2244400422 is about 47375.1033983041. The cubic root of 2244400422 is about 1309.2827536489.

Adding to 2244400422 its reverse (2240044422), we get a palindrome (4484444844).

It can be divided in two parts, 22 and 44400422, that added together give a palindrome (44400444).

The spelling of 2244400422 in words is "two billion, two hundred forty-four million, four hundred thousand, four hundred twenty-two".