22222521970880 has 448 divisors, whose sum is σ = 69831232773120. Its totient is φ = 6525668966400.

The previous prime is 22222521970813. The next prime is 22222521970889. The reversal of 22222521970880 is 8807912522222.

It is a tau number, because it is divible by the number of its divisors (448).

It is not an unprimeable number, because it can be changed into a prime (22222521970889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84605834 + ... + 84868086.

It is an arithmetic number, because the mean of its divisors is an integer number (155873287440).

Almost surely, 2^{22222521970880} is an apocalyptic number.

22222521970880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22222521970880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34915616386560).

22222521970880 is an abundant number, since it is smaller than the sum of its proper divisors (47608710802240).

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

22222521970880 is a wasteful number, since it uses less digits than its factorization.

22222521970880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262488 (or 262478 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 22222521970880 in words is "twenty-two trillion, two hundred twenty-two billion, five hundred twenty-one million, nine hundred seventy thousand, eight hundred eighty".