2222400044 has 12 divisors (see below), whose sum is σ = 4014658368. Its totient is φ = 1075354800.

The previous prime is 2222399989. The next prime is 2222400067. The reversal of 2222400044 is 4400042222.

It is a junction number, because it is equal to n+sod(n) for n = 2222399989 and 2222400025.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8961167 + ... + 8961414.

It is an arithmetic number, because the mean of its divisors is an integer number (334554864).

Almost surely, 2^2222400044 is an apocalyptic number.

It is an amenable number.

2222400044 is a deficient number, since it is larger than the sum of its proper divisors (1792258324).

2222400044 is a wasteful number, since it uses less digits than its factorization.

2222400044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17922616 (or 17922614 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2222400044 is about 47142.3381261473. The cubic root of 2222400044 is about 1304.9906868974.

Adding to 2222400044 its reverse (4400042222), we get a palindrome (6622442266).

The spelling of 2222400044 in words is "two billion, two hundred twenty-two million, four hundred thousand, forty-four".