22442563000 has 128 divisors (see below), whose sum is σ = 61697039040. Its totient is φ = 7533120000.

The previous prime is 22442562979. The next prime is 22442563001. The reversal of 22442563000 is 36524422.

It is a self number, because there is not a number n which added to its sum of digits gives 22442563000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22442563001) by changing a digit.

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, 64530 + ... + 221470.

Almost surely, 2^22442563000 is an apocalyptic number.

22442563000 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 22442563000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30848519520).

22442563000 is an abundant number, since it is smaller than the sum of its proper divisors (39254476040).

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

22442563000 is a wasteful number, since it uses less digits than its factorization.

22442563000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156986 (or 156972 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The spelling of 22442563000 in words is "twenty-two billion, four hundred forty-two million, five hundred sixty-three thousand".