22063352500 has 180 divisors, whose sum is σ = 56439186804. Its totient is φ = 7522368000.

The previous prime is 22063352449. The next prime is 22063352527. The reversal of 22063352500 is 525336022.

It can be written as a sum of positive squares in 10 ways, for example, as 21931240464 + 132112036 = 148092^2 + 11494^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 28542114 + ... + 28542886.

Almost surely, 2^22063352500 is an apocalyptic number.

22063352500 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 22063352500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28219593402).

22063352500 is an abundant number, since it is smaller than the sum of its proper divisors (34375834304).

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

22063352500 is a wasteful number, since it uses less digits than its factorization.

22063352500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044 (or 1020 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 22063352500 its reverse (525336022), we get a palindrome (22588688522).

The spelling of 22063352500 in words is "twenty-two billion, sixty-three million, three hundred fifty-two thousand, five hundred".