22044243040 has 48 divisors (see below), whose sum is σ = 52088908032. Its totient is φ = 8816108544.

The previous prime is 22044243037. The next prime is 22044243097. The reversal of 22044243040 is 4034244022.

It is a junction number, because it is equal to n+sod(n) for n = 22044242996 and 22044243014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1332097 + ... + 1348543.

It is an arithmetic number, because the mean of its divisors is an integer number (1085185584).

Almost surely, 2^22044243040 is an apocalyptic number.

22044243040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22044243040 is an abundant number, since it is smaller than the sum of its proper divisors (30044664992).

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

22044243040 is a wasteful number, since it uses less digits than its factorization.

22044243040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24839 (or 24831 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 22044243040 its reverse (4034244022), we get a palindrome (26078487062).

The spelling of 22044243040 in words is "twenty-two billion, forty-four million, two hundred forty-three thousand, forty".