22244250040 has 32 divisors (see below), whose sum is σ = 50338882080. Its totient is φ = 8846265472.

The previous prime is 22244250037. The next prime is 22244250047. The reversal of 22244250040 is 4005244222.

It is a junction number, because it is equal to n+sod(n) for n = 22244249987 and 22244250014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22244250047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1600324 + ... + 1614163.

It is an arithmetic number, because the mean of its divisors is an integer number (1573090065).

Almost surely, 2^22244250040 is an apocalyptic number.

22244250040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22244250040 is an abundant number, since it is smaller than the sum of its proper divisors (28094632040).

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

22244250040 is a wasteful number, since it uses less digits than its factorization.

22244250040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214671 (or 3214667 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 22244250040 its reverse (4005244222), we get a palindrome (26249494262).

The spelling of 22244250040 in words is "twenty-two billion, two hundred forty-four million, two hundred fifty thousand, forty".