22242002244040 has 64 divisors (see below), whose sum is σ = 50750689968000. Its totient is φ = 8771263495680.

The previous prime is 22242002244019. The next prime is 22242002244041. The reversal of 22242002244040 is 4044220024222.

It is not an unprimeable number, because it can be changed into a prime (22242002244041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143225956 + ... + 143381164.

It is an arithmetic number, because the mean of its divisors is an integer number (792979530750).

Almost surely, 2^{22242002244040} is an apocalyptic number.

22242002244040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22242002244040 is an abundant number, since it is smaller than the sum of its proper divisors (28508687723960).

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

22242002244040 is a wasteful number, since it uses less digits than its factorization.

22242002244040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205750 (or 205746 counting only the distinct ones).

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

Adding to 22242002244040 its reverse (4044220024222), we get a palindrome (26286222268262).

The spelling of 22242002244040 in words is "twenty-two trillion, two hundred forty-two billion, two million, two hundred forty-four thousand, forty".