22150453600 has 216 divisors, whose sum is σ = 62028061200. Its totient is φ = 7703731200.

The previous prime is 22150453553. The next prime is 22150453601. The reversal of 22150453600 is 635405122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22150453601) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2221426 + ... + 2231374.

It is an arithmetic number, because the mean of its divisors is an integer number (287166950).

Almost surely, 2^22150453600 is an apocalyptic number.

22150453600 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 22150453600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31014030600).

22150453600 is an abundant number, since it is smaller than the sum of its proper divisors (39877607600).

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

22150453600 is a wasteful number, since it uses less digits than its factorization.

22150453600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10014 (or 9990 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 22150453600 its reverse (635405122), we get a palindrome (22785858722).

The spelling of 22150453600 in words is "twenty-two billion, one hundred fifty million, four hundred fifty-three thousand, six hundred".