22240440044 has 48 divisors (see below), whose sum is σ = 41947960320. Its totient is φ = 10284422400.

The previous prime is 22240440031. The next prime is 22240440071. The reversal of 22240440044 is 44004404222.

It is a junction number, because it is equal to n+sod(n) for n = 22240439995 and 22240440022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1424609 + ... + 1440135.

It is an arithmetic number, because the mean of its divisors is an integer number (873915840).

Almost surely, 2^22240440044 is an apocalyptic number.

It is an amenable number.

22240440044 is a deficient number, since it is larger than the sum of its proper divisors (19707520276).

22240440044 is a wasteful number, since it uses less digits than its factorization.

22240440044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15998 (or 15996 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 22240440044 its reverse (44004404222), we get a palindrome (66244844266).

The spelling of 22240440044 in words is "twenty-two billion, two hundred forty million, four hundred forty thousand, forty-four".