22242244244440 has 32 divisors (see below), whose sum is σ = 54594599510160. Its totient is φ = 8088088816000.

The previous prime is 22242244244399. The next prime is 22242244244497. The reversal of 22242244244440 is 4444244224222.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 22242244244393 and 22242244244402.

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, 25275277111 + ... + 25275277990.

Almost surely, 2^{22242244244440} is an apocalyptic number.

22242244244440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22242244244440 is an abundant number, since it is smaller than the sum of its proper divisors (32352355265720).

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

22242244244440 is a wasteful number, since it uses less digits than its factorization.

22242244244440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50550555123 (or 50550555119 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 40.

Adding to 22242244244440 its reverse (4444244224222), we get a palindrome (26686488468662).

The spelling of 22242244244440 in words is "twenty-two trillion, two hundred forty-two billion, two hundred forty-four million, two hundred forty-four thousand, four hundred forty".