22147225200 has 480 divisors, whose sum is σ = 80968785920. Its totient is φ = 5748019200.

The previous prime is 22147225193. The next prime is 22147225213. The reversal of 22147225200 is 252274122.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 91897080 + ... + 91897320.

Almost surely, 2^22147225200 is an apocalyptic number.

22147225200 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 22147225200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40484392960).

22147225200 is an abundant number, since it is smaller than the sum of its proper divisors (58821560720).

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

22147225200 is a wasteful number, since it uses less digits than its factorization.

22147225200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

Adding to 22147225200 its reverse (252274122), we get a palindrome (22399499322).

The spelling of 22147225200 in words is "twenty-two billion, one hundred forty-seven million, two hundred twenty-five thousand, two hundred".