22275550000 has 240 divisors, whose sum is σ = 59580124128. Its totient is φ = 8000000000.

The previous prime is 22275549991. The next prime is 22275550001. The reversal of 22275550000 is 5557222.

It is not an unprimeable number, because it can be changed into a prime (22275550001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55549800 + ... + 55550200.

Almost surely, 2^22275550000 is an apocalyptic number.

22275550000 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 22275550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29790062064).

22275550000 is an abundant number, since it is smaller than the sum of its proper divisors (37304574128).

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

22275550000 is a wasteful number, since it uses less digits than its factorization.

22275550000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

It can be divided in two parts, 22275 and 550000, that added together give a palindrome (572275).

The spelling of 22275550000 in words is "twenty-two billion, two hundred seventy-five million, five hundred fifty thousand".