22342223440440 has 96 divisors (see below), whose sum is σ = 73802590617600. Its totient is φ = 5860255322880.

The previous prime is 22342223440417. The next prime is 22342223440531. The reversal of 22342223440440 is 4404432224322.

22342223440440 is a `hidden beast` number, since 2 + 2 + 342 + 2 + 234 + 40 + 4 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 22342223440395 and 22342223440404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 508680760 + ... + 508724679.

It is an arithmetic number, because the mean of its divisors is an integer number (768776985600).

Almost surely, 2^{22342223440440} is an apocalyptic number.

22342223440440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22342223440440 is an abundant number, since it is smaller than the sum of its proper divisors (51460367177160).

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

22342223440440 is a wasteful number, since it uses less digits than its factorization.

22342223440440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017405517 (or 1017405510 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 36.

Adding to 22342223440440 its reverse (4404432224322), we get a palindrome (26746655664762).

The spelling of 22342223440440 in words is "twenty-two trillion, three hundred forty-two billion, two hundred twenty-three million, four hundred forty thousand, four hundred forty".