22240400044 has 12 divisors (see below), whose sum is σ = 38943170784. Its totient is φ = 11113779824.

The previous prime is 22240400033. The next prime is 22240400053. The reversal of 22240400044 is 44000404222.

It is a junction number, because it is equal to n+sod(n) for n = 22240399988 and 22240400024.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1597252 + ... + 1611115.

It is an arithmetic number, because the mean of its divisors is an integer number (3245264232).

Almost surely, 2^22240400044 is an apocalyptic number.

It is an amenable number.

22240400044 is a deficient number, since it is larger than the sum of its proper divisors (16702770740).

22240400044 is a wasteful number, since it uses less digits than its factorization.

22240400044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3210104 (or 3210102 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 22240400044 its reverse (44000404222), we get a palindrome (66240804266).

The spelling of 22240400044 in words is "twenty-two billion, two hundred forty million, four hundred thousand, forty-four".