22135321000 has 64 divisors (see below), whose sum is σ = 55781041680. Its totient is φ = 8173036800.

The previous prime is 22135320989. The next prime is 22135321063. The reversal of 22135321000 is 12353122.

It can be written as a sum of positive squares in 8 ways, for example, as 427716 + 22134893284 = 654^2 + 148778^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 838359 + ... + 864358.

Almost surely, 2^22135321000 is an apocalyptic number.

22135321000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22135321000 is an abundant number, since it is smaller than the sum of its proper divisors (33645720680).

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

22135321000 is a wasteful number, since it uses less digits than its factorization.

22135321000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702751 (or 1702737 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 22135321000 its reverse (12353122), we get a palindrome (22147674122).

The spelling of 22135321000 in words is "twenty-two billion, one hundred thirty-five million, three hundred twenty-one thousand".