22204024440040 has 16 divisors (see below), whose sum is σ = 49959054990180. Its totient is φ = 8881609776000.

The previous prime is 22204024440023. The next prime is 22204024440067. The reversal of 22204024440040 is 4004442040222.

It can be written as a sum of positive squares in 2 ways, for example, as 22149316165636 + 54708274404 = 4706306^2 + 233898^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22204024439990 and 22204024440008.

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, 277550305461 + ... + 277550305540.

Almost surely, 2^{22204024440040} is an apocalyptic number.

22204024440040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22204024440040 is an abundant number, since it is smaller than the sum of its proper divisors (27755030550140).

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

22204024440040 is a wasteful number, since it uses less digits than its factorization.

22204024440040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555100611012 (or 555100611008 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 22204024440040 its reverse (4004442040222), we get a palindrome (26208466480262).

The spelling of 22204024440040 in words is "twenty-two trillion, two hundred four billion, twenty-four million, four hundred forty thousand, forty".