22242125620 has 288 divisors, whose sum is σ = 58784382720. Its totient is φ = 7006771200.

The previous prime is 22242125557. The next prime is 22242125641. The reversal of 22242125620 is 2652124222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 42690960 + ... + 42691480.

It is an arithmetic number, because the mean of its divisors is an integer number (204112440).

Almost surely, 2^22242125620 is an apocalyptic number.

22242125620 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 22242125620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29392191360).

22242125620 is an abundant number, since it is smaller than the sum of its proper divisors (36542257100).

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

22242125620 is a wasteful number, since it uses less digits than its factorization.

22242125620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 22242125620 its reverse (2652124222), we get a palindrome (24894249842).

The spelling of 22242125620 in words is "twenty-two billion, two hundred forty-two million, one hundred twenty-five thousand, six hundred twenty".