22252043000 has 128 divisors (see below), whose sum is σ = 56888395200. Its totient is φ = 8079552000.

The previous prime is 22252042987. The next prime is 22252043017. The reversal of 22252043000 is 34025222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10965986 + ... + 10968014.

Almost surely, 2^22252043000 is an apocalyptic number.

22252043000 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 22252043000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28444197600).

22252043000 is an abundant number, since it is smaller than the sum of its proper divisors (34636352200).

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

22252043000 is a wasteful number, since it uses less digits than its factorization.

22252043000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058 (or 3044 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 22252043000 its reverse (34025222), we get a palindrome (22286068222).

The spelling of 22252043000 in words is "twenty-two billion, two hundred fifty-two million, forty-three thousand".