22442420202440 has 96 divisors (see below), whose sum is σ = 58740721905600. Its totient is φ = 7694397083520.

The previous prime is 22442420202437. The next prime is 22442420202457. The reversal of 22442420202440 is 4420202424422.

It is a junction number, because it is equal to n+sod(n) for n = 22442420202397 and 22442420202406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170005181 + ... + 170137139.

It is an arithmetic number, because the mean of its divisors is an integer number (611882519850).

Almost surely, 2^{22442420202440} is an apocalyptic number.

22442420202440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22442420202440 is an abundant number, since it is smaller than the sum of its proper divisors (36298301703160).

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

22442420202440 is a wasteful number, since it uses less digits than its factorization.

22442420202440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218755 (or 218744 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 22442420202440 its reverse (4420202424422), we get a palindrome (26862622626862).

The spelling of 22442420202440 in words is "twenty-two trillion, four hundred forty-two billion, four hundred twenty million, two hundred two thousand, four hundred forty".