22230221000 has 64 divisors (see below), whose sum is σ = 56020189680. Its totient is φ = 8208076800.

The previous prime is 22230220997. The next prime is 22230221011. The reversal of 22230221000 is 12203222.

It can be written as a sum of positive squares in 8 ways, for example, as 7396 + 22230213604 = 86^2 + 149098^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 842009 + ... + 868008.

Almost surely, 2^22230221000 is an apocalyptic number.

22230221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22230221000 is an abundant number, since it is smaller than the sum of its proper divisors (33789968680).

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

22230221000 is a wasteful number, since it uses less digits than its factorization.

22230221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710051 (or 1710037 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 22230221000 its reverse (12203222), we get a palindrome (22242424222).

The spelling of 22230221000 in words is "twenty-two billion, two hundred thirty million, two hundred twenty-one thousand".